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Finding the Fourth Proportional to 3,147.17, 4,720.73 and 1,498.73

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Solution

The fourth proportional to 3,147.17, 4,720.73 and 1,498.73 is: 2,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.17 : 4,720.73 = 1,498.73 : x
  2. Step 2: Convert to fraction form
    3,147.17/4,720.73 = 1,498.73/x
  3. Step 3: Cross multiply
    3,147.17x = 4,720.73 × 1,498.73
  4. Step 4: Simplify right side
    3,147.17x = 7,075,068.58
  5. Step 5: Solve for x
    x = 7,075,068.58/3,147.17
  6. Step 6: Final answer
    x = 2,248.08

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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.