Home / 5,257.91-7,881.54-3,410.19

Finding the Fourth Proportional to 5,257.91, 7,881.54 and 3,410.19

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Solution

The fourth proportional to 5,257.91, 7,881.54 and 3,410.19 is: 5,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.91 : 7,881.54 = 3,410.19 : x
  2. Step 2: Convert to fraction form
    5,257.91/7,881.54 = 3,410.19/x
  3. Step 3: Cross multiply
    5,257.91x = 7,881.54 × 3,410.19
  4. Step 4: Simplify right side
    5,257.91x = 26,877,548.89
  5. Step 5: Solve for x
    x = 26,877,548.89/5,257.91
  6. Step 6: Final answer
    x = 5,111.84

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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.