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Finding the Fourth Proportional to 5,752.13, 7,938.03 and 3,394.28

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Solution

The fourth proportional to 5,752.13, 7,938.03 and 3,394.28 is: 4,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.13 : 7,938.03 = 3,394.28 : x
  2. Step 2: Convert to fraction form
    5,752.13/7,938.03 = 3,394.28/x
  3. Step 3: Cross multiply
    5,752.13x = 7,938.03 × 3,394.28
  4. Step 4: Simplify right side
    5,752.13x = 26,943,856.78
  5. Step 5: Solve for x
    x = 26,943,856.78/5,752.13
  6. Step 6: Final answer
    x = 4,684.16

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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.