Home / 4,505.04-6,713.18-4,378.20

Finding the Fourth Proportional to 4,505.04, 6,713.18 and 4,378.20

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Solution

The fourth proportional to 4,505.04, 6,713.18 and 4,378.20 is: 6,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.04 : 6,713.18 = 4,378.20 : x
  2. Step 2: Convert to fraction form
    4,505.04/6,713.18 = 4,378.20/x
  3. Step 3: Cross multiply
    4,505.04x = 6,713.18 × 4,378.20
  4. Step 4: Simplify right side
    4,505.04x = 29,391,644.68
  5. Step 5: Solve for x
    x = 29,391,644.68/4,505.04
  6. Step 6: Final answer
    x = 6,524.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.