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Finding the Fourth Proportional to 3,073.51, 4,241.51 and 1,729.15

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Solution

The fourth proportional to 3,073.51, 4,241.51 and 1,729.15 is: 2,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.51 : 4,241.51 = 1,729.15 : x
  2. Step 2: Convert to fraction form
    3,073.51/4,241.51 = 1,729.15/x
  3. Step 3: Cross multiply
    3,073.51x = 4,241.51 × 1,729.15
  4. Step 4: Simplify right side
    3,073.51x = 7,334,207.02
  5. Step 5: Solve for x
    x = 7,334,207.02/3,073.51
  6. Step 6: Final answer
    x = 2,386.26

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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.