Home / 5,419.90-8,125.76-2,956.82

Finding the Fourth Proportional to 5,419.90, 8,125.76 and 2,956.82

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Solution

The fourth proportional to 5,419.90, 8,125.76 and 2,956.82 is: 4,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.90 : 8,125.76 = 2,956.82 : x
  2. Step 2: Convert to fraction form
    5,419.90/8,125.76 = 2,956.82/x
  3. Step 3: Cross multiply
    5,419.90x = 8,125.76 × 2,956.82
  4. Step 4: Simplify right side
    5,419.90x = 24,026,409.68
  5. Step 5: Solve for x
    x = 24,026,409.68/5,419.90
  6. Step 6: Final answer
    x = 4,433.00

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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.