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Finding the Fourth Proportional to 5,353, 7,387.14 and 2,995.59

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Solution

The fourth proportional to 5,353, 7,387.14 and 2,995.59 is: 4,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353 : 7,387.14 = 2,995.59 : x
  2. Step 2: Convert to fraction form
    5,353/7,387.14 = 2,995.59/x
  3. Step 3: Cross multiply
    5,353x = 7,387.14 × 2,995.59
  4. Step 4: Simplify right side
    5,353x = 22,128,842.71
  5. Step 5: Solve for x
    x = 22,128,842.71/5,353
  6. Step 6: Final answer
    x = 4,133.91

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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.