Home / 5,689.70-8,499.52-4,116.24

Finding the Fourth Proportional to 5,689.70, 8,499.52 and 4,116.24

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Solution

The fourth proportional to 5,689.70, 8,499.52 and 4,116.24 is: 6,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.70 : 8,499.52 = 4,116.24 : x
  2. Step 2: Convert to fraction form
    5,689.70/8,499.52 = 4,116.24/x
  3. Step 3: Cross multiply
    5,689.70x = 8,499.52 × 4,116.24
  4. Step 4: Simplify right side
    5,689.70x = 34,986,064.20
  5. Step 5: Solve for x
    x = 34,986,064.20/5,689.70
  6. Step 6: Final answer
    x = 6,149.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.