Home / 4,153.76-5,732.16-2,290.76

Finding the Fourth Proportional to 4,153.76, 5,732.16 and 2,290.76

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Solution

The fourth proportional to 4,153.76, 5,732.16 and 2,290.76 is: 3,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.76 : 5,732.16 = 2,290.76 : x
  2. Step 2: Convert to fraction form
    4,153.76/5,732.16 = 2,290.76/x
  3. Step 3: Cross multiply
    4,153.76x = 5,732.16 × 2,290.76
  4. Step 4: Simplify right side
    4,153.76x = 13,131,002.84
  5. Step 5: Solve for x
    x = 13,131,002.84/4,153.76
  6. Step 6: Final answer
    x = 3,161.23

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Find fourth proportional to 2,076.88, 2,866.08 and 1,145.38
Half scale
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Double scale
Find fourth proportional to 4,154.76, 5,733.54 and 2,291.76
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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.