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Finding the Fourth Proportional to 4,751.00, 7,120.22 and 3,439.13

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Solution

The fourth proportional to 4,751.00, 7,120.22 and 3,439.13 is: 5,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.00 : 7,120.22 = 3,439.13 : x
  2. Step 2: Convert to fraction form
    4,751.00/7,120.22 = 3,439.13/x
  3. Step 3: Cross multiply
    4,751.00x = 7,120.22 × 3,439.13
  4. Step 4: Simplify right side
    4,751.00x = 24,487,362.81
  5. Step 5: Solve for x
    x = 24,487,362.81/4,751.00
  6. Step 6: Final answer
    x = 5,154.15

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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.