Home / 5,132.98-7,083.30-3,245.59

Finding the Fourth Proportional to 5,132.98, 7,083.30 and 3,245.59

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Solution

The fourth proportional to 5,132.98, 7,083.30 and 3,245.59 is: 4,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.98 : 7,083.30 = 3,245.59 : x
  2. Step 2: Convert to fraction form
    5,132.98/7,083.30 = 3,245.59/x
  3. Step 3: Cross multiply
    5,132.98x = 7,083.30 × 3,245.59
  4. Step 4: Simplify right side
    5,132.98x = 22,989,487.65
  5. Step 5: Solve for x
    x = 22,989,487.65/5,132.98
  6. Step 6: Final answer
    x = 4,478.78

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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.