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Finding the Fourth Proportional to 3,713.51, 5,127.03 and 3,314.48

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Solution

The fourth proportional to 3,713.51, 5,127.03 and 3,314.48 is: 4,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.51 : 5,127.03 = 3,314.48 : x
  2. Step 2: Convert to fraction form
    3,713.51/5,127.03 = 3,314.48/x
  3. Step 3: Cross multiply
    3,713.51x = 5,127.03 × 3,314.48
  4. Step 4: Simplify right side
    3,713.51x = 16,993,438.39
  5. Step 5: Solve for x
    x = 16,993,438.39/3,713.51
  6. Step 6: Final answer
    x = 4,576.11

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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.