Home / 4,901.88-7,348.68-2,126.46

Finding the Fourth Proportional to 4,901.88, 7,348.68 and 2,126.46

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Solution

The fourth proportional to 4,901.88, 7,348.68 and 2,126.46 is: 3,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.88 : 7,348.68 = 2,126.46 : x
  2. Step 2: Convert to fraction form
    4,901.88/7,348.68 = 2,126.46/x
  3. Step 3: Cross multiply
    4,901.88x = 7,348.68 × 2,126.46
  4. Step 4: Simplify right side
    4,901.88x = 15,626,626.70
  5. Step 5: Solve for x
    x = 15,626,626.70/4,901.88
  6. Step 6: Final answer
    x = 3,187.89

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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.