Home / 5,239.28-7,229.88-3,001.16

Finding the Fourth Proportional to 5,239.28, 7,229.88 and 3,001.16

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Solution

The fourth proportional to 5,239.28, 7,229.88 and 3,001.16 is: 4,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.28 : 7,229.88 = 3,001.16 : x
  2. Step 2: Convert to fraction form
    5,239.28/7,229.88 = 3,001.16/x
  3. Step 3: Cross multiply
    5,239.28x = 7,229.88 × 3,001.16
  4. Step 4: Simplify right side
    5,239.28x = 21,698,026.66
  5. Step 5: Solve for x
    x = 21,698,026.66/5,239.28
  6. Step 6: Final answer
    x = 4,141.41

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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.