Home / 5,685.88-8,528.28-3,464.12

Finding the Fourth Proportional to 5,685.88, 8,528.28 and 3,464.12

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Solution

The fourth proportional to 5,685.88, 8,528.28 and 3,464.12 is: 5,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.88 : 8,528.28 = 3,464.12 : x
  2. Step 2: Convert to fraction form
    5,685.88/8,528.28 = 3,464.12/x
  3. Step 3: Cross multiply
    5,685.88x = 8,528.28 × 3,464.12
  4. Step 4: Simplify right side
    5,685.88x = 29,542,985.31
  5. Step 5: Solve for x
    x = 29,542,985.31/5,685.88
  6. Step 6: Final answer
    x = 5,195.85

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Double scale
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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.