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Finding the Fourth Proportional to 4,891.29, 6,748.74 and 2,901.75

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Solution

The fourth proportional to 4,891.29, 6,748.74 and 2,901.75 is: 4,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.29 : 6,748.74 = 2,901.75 : x
  2. Step 2: Convert to fraction form
    4,891.29/6,748.74 = 2,901.75/x
  3. Step 3: Cross multiply
    4,891.29x = 6,748.74 × 2,901.75
  4. Step 4: Simplify right side
    4,891.29x = 19,583,156.30
  5. Step 5: Solve for x
    x = 19,583,156.30/4,891.29
  6. Step 6: Final answer
    x = 4,003.68

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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.