Home / 5,589.30-8,371.80-4,860.30

Finding the Fourth Proportional to 5,589.30, 8,371.80 and 4,860.30

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Solution

The fourth proportional to 5,589.30, 8,371.80 and 4,860.30 is: 7,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.30 : 8,371.80 = 4,860.30 : x
  2. Step 2: Convert to fraction form
    5,589.30/8,371.80 = 4,860.30/x
  3. Step 3: Cross multiply
    5,589.30x = 8,371.80 × 4,860.30
  4. Step 4: Simplify right side
    5,589.30x = 40,689,459.54
  5. Step 5: Solve for x
    x = 40,689,459.54/5,589.30
  6. Step 6: Final answer
    x = 7,279.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.