Home / 5,500.85-7,589.18-3,613.45

Finding the Fourth Proportional to 5,500.85, 7,589.18 and 3,613.45

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Solution

The fourth proportional to 5,500.85, 7,589.18 and 3,613.45 is: 4,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.85 : 7,589.18 = 3,613.45 : x
  2. Step 2: Convert to fraction form
    5,500.85/7,589.18 = 3,613.45/x
  3. Step 3: Cross multiply
    5,500.85x = 7,589.18 × 3,613.45
  4. Step 4: Simplify right side
    5,500.85x = 27,423,122.47
  5. Step 5: Solve for x
    x = 27,423,122.47/5,500.85
  6. Step 6: Final answer
    x = 4,985.25

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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.