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Finding the Fourth Proportional to 3,373.55, 5,058.12 and 1,398.63

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Solution

The fourth proportional to 3,373.55, 5,058.12 and 1,398.63 is: 2,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.55 : 5,058.12 = 1,398.63 : x
  2. Step 2: Convert to fraction form
    3,373.55/5,058.12 = 1,398.63/x
  3. Step 3: Cross multiply
    3,373.55x = 5,058.12 × 1,398.63
  4. Step 4: Simplify right side
    3,373.55x = 7,074,438.38
  5. Step 5: Solve for x
    x = 7,074,438.38/3,373.55
  6. Step 6: Final answer
    x = 2,097.03

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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.