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Finding the Fourth Proportional to 3,506.93, 5,257.14 and 1,840.71

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Solution

The fourth proportional to 3,506.93, 5,257.14 and 1,840.71 is: 2,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.93 : 5,257.14 = 1,840.71 : x
  2. Step 2: Convert to fraction form
    3,506.93/5,257.14 = 1,840.71/x
  3. Step 3: Cross multiply
    3,506.93x = 5,257.14 × 1,840.71
  4. Step 4: Simplify right side
    3,506.93x = 9,676,870.17
  5. Step 5: Solve for x
    x = 9,676,870.17/3,506.93
  6. Step 6: Final answer
    x = 2,759.36

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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.