Home / 4,521.90-6,781.93-1,234.71

Finding the Fourth Proportional to 4,521.90, 6,781.93 and 1,234.71

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Solution

The fourth proportional to 4,521.90, 6,781.93 and 1,234.71 is: 1,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.90 : 6,781.93 = 1,234.71 : x
  2. Step 2: Convert to fraction form
    4,521.90/6,781.93 = 1,234.71/x
  3. Step 3: Cross multiply
    4,521.90x = 6,781.93 × 1,234.71
  4. Step 4: Simplify right side
    4,521.90x = 8,373,730.66
  5. Step 5: Solve for x
    x = 8,373,730.66/4,521.90
  6. Step 6: Final answer
    x = 1,851.82

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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.