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Finding the Fourth Proportional to 2,598.49, 3,896.83 and 749.11

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Solution

The fourth proportional to 2,598.49, 3,896.83 and 749.11 is: 1,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.49 : 3,896.83 = 749.11 : x
  2. Step 2: Convert to fraction form
    2,598.49/3,896.83 = 749.11/x
  3. Step 3: Cross multiply
    2,598.49x = 3,896.83 × 749.11
  4. Step 4: Simplify right side
    2,598.49x = 2,919,154.32
  5. Step 5: Solve for x
    x = 2,919,154.32/2,598.49
  6. Step 6: Final answer
    x = 1,123.40

Related Problems

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Similar ratio
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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.