Home / 5,340.13-8,012.52-2,220.92

Finding the Fourth Proportional to 5,340.13, 8,012.52 and 2,220.92

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Solution

The fourth proportional to 5,340.13, 8,012.52 and 2,220.92 is: 3,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.13 : 8,012.52 = 2,220.92 : x
  2. Step 2: Convert to fraction form
    5,340.13/8,012.52 = 2,220.92/x
  3. Step 3: Cross multiply
    5,340.13x = 8,012.52 × 2,220.92
  4. Step 4: Simplify right side
    5,340.13x = 17,795,155.90
  5. Step 5: Solve for x
    x = 17,795,155.90/5,340.13
  6. Step 6: Final answer
    x = 3,332.35

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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.