Home / 3,151.17-4,732.29-2,685.02

Finding the Fourth Proportional to 3,151.17, 4,732.29 and 2,685.02

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Solution

The fourth proportional to 3,151.17, 4,732.29 and 2,685.02 is: 4,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.17 : 4,732.29 = 2,685.02 : x
  2. Step 2: Convert to fraction form
    3,151.17/4,732.29 = 2,685.02/x
  3. Step 3: Cross multiply
    3,151.17x = 4,732.29 × 2,685.02
  4. Step 4: Simplify right side
    3,151.17x = 12,706,269.63
  5. Step 5: Solve for x
    x = 12,706,269.63/3,151.17
  6. Step 6: Final answer
    x = 4,032.24

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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.