Home / 3,532.71-5,292.60-1,655.15

Finding the Fourth Proportional to 3,532.71, 5,292.60 and 1,655.15

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Solution

The fourth proportional to 3,532.71, 5,292.60 and 1,655.15 is: 2,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.71 : 5,292.60 = 1,655.15 : x
  2. Step 2: Convert to fraction form
    3,532.71/5,292.60 = 1,655.15/x
  3. Step 3: Cross multiply
    3,532.71x = 5,292.60 × 1,655.15
  4. Step 4: Simplify right side
    3,532.71x = 8,760,020.43
  5. Step 5: Solve for x
    x = 8,760,020.43/3,532.71
  6. Step 6: Final answer
    x = 2,479.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.