Home / 5,658.59-8,480.18-4,270.76

Finding the Fourth Proportional to 5,658.59, 8,480.18 and 4,270.76

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Solution

The fourth proportional to 5,658.59, 8,480.18 and 4,270.76 is: 6,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.59 : 8,480.18 = 4,270.76 : x
  2. Step 2: Convert to fraction form
    5,658.59/8,480.18 = 4,270.76/x
  3. Step 3: Cross multiply
    5,658.59x = 8,480.18 × 4,270.76
  4. Step 4: Simplify right side
    5,658.59x = 36,216,813.54
  5. Step 5: Solve for x
    x = 36,216,813.54/5,658.59
  6. Step 6: Final answer
    x = 6,400.32

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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.