Home / 5,353.38-7,387.87-2,995.47

Finding the Fourth Proportional to 5,353.38, 7,387.87 and 2,995.47

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Solution

The fourth proportional to 5,353.38, 7,387.87 and 2,995.47 is: 4,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.38 : 7,387.87 = 2,995.47 : x
  2. Step 2: Convert to fraction form
    5,353.38/7,387.87 = 2,995.47/x
  3. Step 3: Cross multiply
    5,353.38x = 7,387.87 × 2,995.47
  4. Step 4: Simplify right side
    5,353.38x = 22,130,142.95
  5. Step 5: Solve for x
    x = 22,130,142.95/5,353.38
  6. Step 6: Final answer
    x = 4,133.86

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1.5x scale

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.