Home / 3,953.17-5,456.15-2,538.65

Finding the Fourth Proportional to 3,953.17, 5,456.15 and 2,538.65

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Solution

The fourth proportional to 3,953.17, 5,456.15 and 2,538.65 is: 3,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.17 : 5,456.15 = 2,538.65 : x
  2. Step 2: Convert to fraction form
    3,953.17/5,456.15 = 2,538.65/x
  3. Step 3: Cross multiply
    3,953.17x = 5,456.15 × 2,538.65
  4. Step 4: Simplify right side
    3,953.17x = 13,851,265.66
  5. Step 5: Solve for x
    x = 13,851,265.66/3,953.17
  6. Step 6: Final answer
    x = 3,503.84

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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.