Home / 5,586.42-7,711.88-3,228.10

Finding the Fourth Proportional to 5,586.42, 7,711.88 and 3,228.10

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Solution

The fourth proportional to 5,586.42, 7,711.88 and 3,228.10 is: 4,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.42 : 7,711.88 = 3,228.10 : x
  2. Step 2: Convert to fraction form
    5,586.42/7,711.88 = 3,228.10/x
  3. Step 3: Cross multiply
    5,586.42x = 7,711.88 × 3,228.10
  4. Step 4: Simplify right side
    5,586.42x = 24,894,719.83
  5. Step 5: Solve for x
    x = 24,894,719.83/5,586.42
  6. Step 6: Final answer
    x = 4,456.29

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Half scale
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Double scale
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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.