Home / 5,633.34-7,773.78-3,115.29

Finding the Fourth Proportional to 5,633.34, 7,773.78 and 3,115.29

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Solution

The fourth proportional to 5,633.34, 7,773.78 and 3,115.29 is: 4,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.34 : 7,773.78 = 3,115.29 : x
  2. Step 2: Convert to fraction form
    5,633.34/7,773.78 = 3,115.29/x
  3. Step 3: Cross multiply
    5,633.34x = 7,773.78 × 3,115.29
  4. Step 4: Simplify right side
    5,633.34x = 24,217,579.10
  5. Step 5: Solve for x
    x = 24,217,579.10/5,633.34
  6. Step 6: Final answer
    x = 4,298.97

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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.