Home / 5,116.08-7,060.12-2,877.96

Finding the Fourth Proportional to 5,116.08, 7,060.12 and 2,877.96

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Solution

The fourth proportional to 5,116.08, 7,060.12 and 2,877.96 is: 3,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.08 : 7,060.12 = 2,877.96 : x
  2. Step 2: Convert to fraction form
    5,116.08/7,060.12 = 2,877.96/x
  3. Step 3: Cross multiply
    5,116.08x = 7,060.12 × 2,877.96
  4. Step 4: Simplify right side
    5,116.08x = 20,318,707.65
  5. Step 5: Solve for x
    x = 20,318,707.65/5,116.08
  6. Step 6: Final answer
    x = 3,971.54

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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.