Home / 5,480.42-7,566.46-3,385.76

Finding the Fourth Proportional to 5,480.42, 7,566.46 and 3,385.76

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Solution

The fourth proportional to 5,480.42, 7,566.46 and 3,385.76 is: 4,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.42 : 7,566.46 = 3,385.76 : x
  2. Step 2: Convert to fraction form
    5,480.42/7,566.46 = 3,385.76/x
  3. Step 3: Cross multiply
    5,480.42x = 7,566.46 × 3,385.76
  4. Step 4: Simplify right side
    5,480.42x = 25,618,217.61
  5. Step 5: Solve for x
    x = 25,618,217.61/5,480.42
  6. Step 6: Final answer
    x = 4,674.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.