Home / 5,110.56-7,051.32-3,429

Finding the Fourth Proportional to 5,110.56, 7,051.32 and 3,429

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Solution

The fourth proportional to 5,110.56, 7,051.32 and 3,429 is: 4,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.56 : 7,051.32 = 3,429 : x
  2. Step 2: Convert to fraction form
    5,110.56/7,051.32 = 3,429/x
  3. Step 3: Cross multiply
    5,110.56x = 7,051.32 × 3,429
  4. Step 4: Simplify right side
    5,110.56x = 24,178,976.28
  5. Step 5: Solve for x
    x = 24,178,976.28/5,110.56
  6. Step 6: Final answer
    x = 4,731.18

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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.