Home / 5,136.98-7,704.12-1,849.46

Finding the Fourth Proportional to 5,136.98, 7,704.12 and 1,849.46

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Solution

The fourth proportional to 5,136.98, 7,704.12 and 1,849.46 is: 2,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.98 : 7,704.12 = 1,849.46 : x
  2. Step 2: Convert to fraction form
    5,136.98/7,704.12 = 1,849.46/x
  3. Step 3: Cross multiply
    5,136.98x = 7,704.12 × 1,849.46
  4. Step 4: Simplify right side
    5,136.98x = 14,248,461.78
  5. Step 5: Solve for x
    x = 14,248,461.78/5,136.98
  6. Step 6: Final answer
    x = 2,773.70

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1.5x scale

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.