Home / 6,217.47-8,580.69-3,565.65

Finding the Fourth Proportional to 6,217.47, 8,580.69 and 3,565.65

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Solution

The fourth proportional to 6,217.47, 8,580.69 and 3,565.65 is: 4,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.47 : 8,580.69 = 3,565.65 : x
  2. Step 2: Convert to fraction form
    6,217.47/8,580.69 = 3,565.65/x
  3. Step 3: Cross multiply
    6,217.47x = 8,580.69 × 3,565.65
  4. Step 4: Simplify right side
    6,217.47x = 30,595,737.30
  5. Step 5: Solve for x
    x = 30,595,737.30/6,217.47
  6. Step 6: Final answer
    x = 4,920.93

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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.