Home / 4,752.32-7,128.47-4,519.04

Finding the Fourth Proportional to 4,752.32, 7,128.47 and 4,519.04

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Solution

The fourth proportional to 4,752.32, 7,128.47 and 4,519.04 is: 6,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.32 : 7,128.47 = 4,519.04 : x
  2. Step 2: Convert to fraction form
    4,752.32/7,128.47 = 4,519.04/x
  3. Step 3: Cross multiply
    4,752.32x = 7,128.47 × 4,519.04
  4. Step 4: Simplify right side
    4,752.32x = 32,213,816.72
  5. Step 5: Solve for x
    x = 32,213,816.72/4,752.32
  6. Step 6: Final answer
    x = 6,778.55

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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.