Home / 5,480.04-8,219.70-2,359.92

Finding the Fourth Proportional to 5,480.04, 8,219.70 and 2,359.92

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Solution

The fourth proportional to 5,480.04, 8,219.70 and 2,359.92 is: 3,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.04 : 8,219.70 = 2,359.92 : x
  2. Step 2: Convert to fraction form
    5,480.04/8,219.70 = 2,359.92/x
  3. Step 3: Cross multiply
    5,480.04x = 8,219.70 × 2,359.92
  4. Step 4: Simplify right side
    5,480.04x = 19,397,834.42
  5. Step 5: Solve for x
    x = 19,397,834.42/5,480.04
  6. Step 6: Final answer
    x = 3,539.72

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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.