Home / 4,878.28-7,344.42-3,349.32

Finding the Fourth Proportional to 4,878.28, 7,344.42 and 3,349.32

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Solution

The fourth proportional to 4,878.28, 7,344.42 and 3,349.32 is: 5,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.28 : 7,344.42 = 3,349.32 : x
  2. Step 2: Convert to fraction form
    4,878.28/7,344.42 = 3,349.32/x
  3. Step 3: Cross multiply
    4,878.28x = 7,344.42 × 3,349.32
  4. Step 4: Simplify right side
    4,878.28x = 24,598,812.79
  5. Step 5: Solve for x
    x = 24,598,812.79/4,878.28
  6. Step 6: Final answer
    x = 5,042.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.