Home / 4,971.10-7,456.65-2,047.90

Finding the Fourth Proportional to 4,971.10, 7,456.65 and 2,047.90

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Solution

The fourth proportional to 4,971.10, 7,456.65 and 2,047.90 is: 3,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.10 : 7,456.65 = 2,047.90 : x
  2. Step 2: Convert to fraction form
    4,971.10/7,456.65 = 2,047.90/x
  3. Step 3: Cross multiply
    4,971.10x = 7,456.65 × 2,047.90
  4. Step 4: Simplify right side
    4,971.10x = 15,270,473.54
  5. Step 5: Solve for x
    x = 15,270,473.54/4,971.10
  6. Step 6: Final answer
    x = 3,071.85

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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.