Home / 3,963.86-5,465.15-2,545.04

Finding the Fourth Proportional to 3,963.86, 5,465.15 and 2,545.04

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Solution

The fourth proportional to 3,963.86, 5,465.15 and 2,545.04 is: 3,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.86 : 5,465.15 = 2,545.04 : x
  2. Step 2: Convert to fraction form
    3,963.86/5,465.15 = 2,545.04/x
  3. Step 3: Cross multiply
    3,963.86x = 5,465.15 × 2,545.04
  4. Step 4: Simplify right side
    3,963.86x = 13,908,985.31
  5. Step 5: Solve for x
    x = 13,908,985.31/3,963.86
  6. Step 6: Final answer
    x = 3,508.95

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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.