Home / 5,539.92-8,312.76-2,255.44

Finding the Fourth Proportional to 5,539.92, 8,312.76 and 2,255.44

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Solution

The fourth proportional to 5,539.92, 8,312.76 and 2,255.44 is: 3,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.92 : 8,312.76 = 2,255.44 : x
  2. Step 2: Convert to fraction form
    5,539.92/8,312.76 = 2,255.44/x
  3. Step 3: Cross multiply
    5,539.92x = 8,312.76 × 2,255.44
  4. Step 4: Simplify right side
    5,539.92x = 18,748,931.41
  5. Step 5: Solve for x
    x = 18,748,931.41/5,539.92
  6. Step 6: Final answer
    x = 3,384.33

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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.