Home / 4,451.28-6,142.40-2,562.76

Finding the Fourth Proportional to 4,451.28, 6,142.40 and 2,562.76

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Solution

The fourth proportional to 4,451.28, 6,142.40 and 2,562.76 is: 3,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.28 : 6,142.40 = 2,562.76 : x
  2. Step 2: Convert to fraction form
    4,451.28/6,142.40 = 2,562.76/x
  3. Step 3: Cross multiply
    4,451.28x = 6,142.40 × 2,562.76
  4. Step 4: Simplify right side
    4,451.28x = 15,741,497.02
  5. Step 5: Solve for x
    x = 15,741,497.02/4,451.28
  6. Step 6: Final answer
    x = 3,536.40

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Find fourth proportional to 2,225.64, 3,071.20 and 1,281.38
Half scale
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Double scale
Find fourth proportional to 4,452.28, 6,143.78 and 2,563.76
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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.