Home / 6,228.28-8,583.20-4,456.80

Finding the Fourth Proportional to 6,228.28, 8,583.20 and 4,456.80

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Solution

The fourth proportional to 6,228.28, 8,583.20 and 4,456.80 is: 6,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.28 : 8,583.20 = 4,456.80 : x
  2. Step 2: Convert to fraction form
    6,228.28/8,583.20 = 4,456.80/x
  3. Step 3: Cross multiply
    6,228.28x = 8,583.20 × 4,456.80
  4. Step 4: Simplify right side
    6,228.28x = 38,253,605.76
  5. Step 5: Solve for x
    x = 38,253,605.76/6,228.28
  6. Step 6: Final answer
    x = 6,141.92

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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.