Home / 5,247.38-7,240.72-3,549.59

Finding the Fourth Proportional to 5,247.38, 7,240.72 and 3,549.59

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Solution

The fourth proportional to 5,247.38, 7,240.72 and 3,549.59 is: 4,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.38 : 7,240.72 = 3,549.59 : x
  2. Step 2: Convert to fraction form
    5,247.38/7,240.72 = 3,549.59/x
  3. Step 3: Cross multiply
    5,247.38x = 7,240.72 × 3,549.59
  4. Step 4: Simplify right side
    5,247.38x = 25,701,542.23
  5. Step 5: Solve for x
    x = 25,701,542.23/5,247.38
  6. Step 6: Final answer
    x = 4,897.98

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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.