Home / 5,371.61-7,412.51-3,133.85

Finding the Fourth Proportional to 5,371.61, 7,412.51 and 3,133.85

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Solution

The fourth proportional to 5,371.61, 7,412.51 and 3,133.85 is: 4,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.61 : 7,412.51 = 3,133.85 : x
  2. Step 2: Convert to fraction form
    5,371.61/7,412.51 = 3,133.85/x
  3. Step 3: Cross multiply
    5,371.61x = 7,412.51 × 3,133.85
  4. Step 4: Simplify right side
    5,371.61x = 23,229,641.73
  5. Step 5: Solve for x
    x = 23,229,641.73/5,371.61
  6. Step 6: Final answer
    x = 4,324.53

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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.