Home / 3,432.17-5,142.38-1,873.27

Finding the Fourth Proportional to 3,432.17, 5,142.38 and 1,873.27

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Solution

The fourth proportional to 3,432.17, 5,142.38 and 1,873.27 is: 2,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.17 : 5,142.38 = 1,873.27 : x
  2. Step 2: Convert to fraction form
    3,432.17/5,142.38 = 1,873.27/x
  3. Step 3: Cross multiply
    3,432.17x = 5,142.38 × 1,873.27
  4. Step 4: Simplify right side
    3,432.17x = 9,633,070.09
  5. Step 5: Solve for x
    x = 9,633,070.09/3,432.17
  6. Step 6: Final answer
    x = 2,806.70

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1.5x scale

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.