Home / 5,590.81-7,715.28-3,232.90

Finding the Fourth Proportional to 5,590.81, 7,715.28 and 3,232.90

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Solution

The fourth proportional to 5,590.81, 7,715.28 and 3,232.90 is: 4,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.81 : 7,715.28 = 3,232.90 : x
  2. Step 2: Convert to fraction form
    5,590.81/7,715.28 = 3,232.90/x
  3. Step 3: Cross multiply
    5,590.81x = 7,715.28 × 3,232.90
  4. Step 4: Simplify right side
    5,590.81x = 24,942,728.71
  5. Step 5: Solve for x
    x = 24,942,728.71/5,590.81
  6. Step 6: Final answer
    x = 4,461.38

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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.