Home / 5,339.97-8,011.28-2,219.04

Finding the Fourth Proportional to 5,339.97, 8,011.28 and 2,219.04

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Solution

The fourth proportional to 5,339.97, 8,011.28 and 2,219.04 is: 3,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.97 : 8,011.28 = 2,219.04 : x
  2. Step 2: Convert to fraction form
    5,339.97/8,011.28 = 2,219.04/x
  3. Step 3: Cross multiply
    5,339.97x = 8,011.28 × 2,219.04
  4. Step 4: Simplify right side
    5,339.97x = 17,777,339.68
  5. Step 5: Solve for x
    x = 17,777,339.68/5,339.97
  6. Step 6: Final answer
    x = 3,329.11

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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.