Home / 5,116.96-7,679.08-2,341.90

Finding the Fourth Proportional to 5,116.96, 7,679.08 and 2,341.90

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Solution

The fourth proportional to 5,116.96, 7,679.08 and 2,341.90 is: 3,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.96 : 7,679.08 = 2,341.90 : x
  2. Step 2: Convert to fraction form
    5,116.96/7,679.08 = 2,341.90/x
  3. Step 3: Cross multiply
    5,116.96x = 7,679.08 × 2,341.90
  4. Step 4: Simplify right side
    5,116.96x = 17,983,612.40
  5. Step 5: Solve for x
    x = 17,983,612.40/5,116.96
  6. Step 6: Final answer
    x = 3,514.51

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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.