Home / 4,521.84-6,780.90-2,876.11

Finding the Fourth Proportional to 4,521.84, 6,780.90 and 2,876.11

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Solution

The fourth proportional to 4,521.84, 6,780.90 and 2,876.11 is: 4,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.84 : 6,780.90 = 2,876.11 : x
  2. Step 2: Convert to fraction form
    4,521.84/6,780.90 = 2,876.11/x
  3. Step 3: Cross multiply
    4,521.84x = 6,780.90 × 2,876.11
  4. Step 4: Simplify right side
    4,521.84x = 19,502,614.30
  5. Step 5: Solve for x
    x = 19,502,614.30/4,521.84
  6. Step 6: Final answer
    x = 4,312.98

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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.