Home / 4,143.23-5,717.76-2,254.92

Finding the Fourth Proportional to 4,143.23, 5,717.76 and 2,254.92

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Solution

The fourth proportional to 4,143.23, 5,717.76 and 2,254.92 is: 3,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.23 : 5,717.76 = 2,254.92 : x
  2. Step 2: Convert to fraction form
    4,143.23/5,717.76 = 2,254.92/x
  3. Step 3: Cross multiply
    4,143.23x = 5,717.76 × 2,254.92
  4. Step 4: Simplify right side
    4,143.23x = 12,893,091.38
  5. Step 5: Solve for x
    x = 12,893,091.38/4,143.23
  6. Step 6: Final answer
    x = 3,111.85

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Find fourth proportional to 2,071.62, 2,858.88 and 1,127.46
Half scale
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Double scale
Find fourth proportional to 4,144.23, 5,719.14 and 2,255.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.