Home / 5,722.38-8,579.25-3,123.90

Finding the Fourth Proportional to 5,722.38, 8,579.25 and 3,123.90

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Solution

The fourth proportional to 5,722.38, 8,579.25 and 3,123.90 is: 4,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.38 : 8,579.25 = 3,123.90 : x
  2. Step 2: Convert to fraction form
    5,722.38/8,579.25 = 3,123.90/x
  3. Step 3: Cross multiply
    5,722.38x = 8,579.25 × 3,123.90
  4. Step 4: Simplify right side
    5,722.38x = 26,800,719.08
  5. Step 5: Solve for x
    x = 26,800,719.08/5,722.38
  6. Step 6: Final answer
    x = 4,683.49

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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.