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Finding the Fourth Proportional to 5,392.02, 7,439.50 and 3,034.10

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Solution

The fourth proportional to 5,392.02, 7,439.50 and 3,034.10 is: 4,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.02 : 7,439.50 = 3,034.10 : x
  2. Step 2: Convert to fraction form
    5,392.02/7,439.50 = 3,034.10/x
  3. Step 3: Cross multiply
    5,392.02x = 7,439.50 × 3,034.10
  4. Step 4: Simplify right side
    5,392.02x = 22,572,186.95
  5. Step 5: Solve for x
    x = 22,572,186.95/5,392.02
  6. Step 6: Final answer
    x = 4,186.22

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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.