Home / 5,589.60-8,385.66-1,891.62

Finding the Fourth Proportional to 5,589.60, 8,385.66 and 1,891.62

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Solution

The fourth proportional to 5,589.60, 8,385.66 and 1,891.62 is: 2,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.60 : 8,385.66 = 1,891.62 : x
  2. Step 2: Convert to fraction form
    5,589.60/8,385.66 = 1,891.62/x
  3. Step 3: Cross multiply
    5,589.60x = 8,385.66 × 1,891.62
  4. Step 4: Simplify right side
    5,589.60x = 15,862,482.17
  5. Step 5: Solve for x
    x = 15,862,482.17/5,589.60
  6. Step 6: Final answer
    x = 2,837.86

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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.