Home / 5,562.80-8,344.20-2,646.80

Finding the Fourth Proportional to 5,562.80, 8,344.20 and 2,646.80

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Solution

The fourth proportional to 5,562.80, 8,344.20 and 2,646.80 is: 3,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.80 : 8,344.20 = 2,646.80 : x
  2. Step 2: Convert to fraction form
    5,562.80/8,344.20 = 2,646.80/x
  3. Step 3: Cross multiply
    5,562.80x = 8,344.20 × 2,646.80
  4. Step 4: Simplify right side
    5,562.80x = 22,085,428.56
  5. Step 5: Solve for x
    x = 22,085,428.56/5,562.80
  6. Step 6: Final answer
    x = 3,970.20

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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.