Home / 5,136.84-7,703.10-2,176.65

Finding the Fourth Proportional to 5,136.84, 7,703.10 and 2,176.65

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Solution

The fourth proportional to 5,136.84, 7,703.10 and 2,176.65 is: 3,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.84 : 7,703.10 = 2,176.65 : x
  2. Step 2: Convert to fraction form
    5,136.84/7,703.10 = 2,176.65/x
  3. Step 3: Cross multiply
    5,136.84x = 7,703.10 × 2,176.65
  4. Step 4: Simplify right side
    5,136.84x = 16,766,952.62
  5. Step 5: Solve for x
    x = 16,766,952.62/5,136.84
  6. Step 6: Final answer
    x = 3,264.06

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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.