Home / 5,476.20-8,214.30-4,552.80

Finding the Fourth Proportional to 5,476.20, 8,214.30 and 4,552.80

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Solution

The fourth proportional to 5,476.20, 8,214.30 and 4,552.80 is: 6,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.20 : 8,214.30 = 4,552.80 : x
  2. Step 2: Convert to fraction form
    5,476.20/8,214.30 = 4,552.80/x
  3. Step 3: Cross multiply
    5,476.20x = 8,214.30 × 4,552.80
  4. Step 4: Simplify right side
    5,476.20x = 37,398,065.04
  5. Step 5: Solve for x
    x = 37,398,065.04/5,476.20
  6. Step 6: Final answer
    x = 6,829.20

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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.