Home / 4,971-7,456.48-3,876.18

Finding the Fourth Proportional to 4,971, 7,456.48 and 3,876.18

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Solution

The fourth proportional to 4,971, 7,456.48 and 3,876.18 is: 5,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971 : 7,456.48 = 3,876.18 : x
  2. Step 2: Convert to fraction form
    4,971/7,456.48 = 3,876.18/x
  3. Step 3: Cross multiply
    4,971x = 7,456.48 × 3,876.18
  4. Step 4: Simplify right side
    4,971x = 28,902,658.65
  5. Step 5: Solve for x
    x = 28,902,658.65/4,971
  6. Step 6: Final answer
    x = 5,814.25

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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.