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Finding the Fourth Proportional to 3,728.90, 5,595.92 and 1,537.63

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Solution

The fourth proportional to 3,728.90, 5,595.92 and 1,537.63 is: 2,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.90 : 5,595.92 = 1,537.63 : x
  2. Step 2: Convert to fraction form
    3,728.90/5,595.92 = 1,537.63/x
  3. Step 3: Cross multiply
    3,728.90x = 5,595.92 × 1,537.63
  4. Step 4: Simplify right side
    3,728.90x = 8,604,454.47
  5. Step 5: Solve for x
    x = 8,604,454.47/3,728.90
  6. Step 6: Final answer
    x = 2,307.50

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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.