Home / 5,272.07-7,909.40-3,715.11

Finding the Fourth Proportional to 5,272.07, 7,909.40 and 3,715.11

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Solution

The fourth proportional to 5,272.07, 7,909.40 and 3,715.11 is: 5,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.07 : 7,909.40 = 3,715.11 : x
  2. Step 2: Convert to fraction form
    5,272.07/7,909.40 = 3,715.11/x
  3. Step 3: Cross multiply
    5,272.07x = 7,909.40 × 3,715.11
  4. Step 4: Simplify right side
    5,272.07x = 29,384,291.03
  5. Step 5: Solve for x
    x = 29,384,291.03/5,272.07
  6. Step 6: Final answer
    x = 5,573.58

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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.