Home / 5,074.13-7,612.41-1,611.38

Finding the Fourth Proportional to 5,074.13, 7,612.41 and 1,611.38

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Solution

The fourth proportional to 5,074.13, 7,612.41 and 1,611.38 is: 2,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.13 : 7,612.41 = 1,611.38 : x
  2. Step 2: Convert to fraction form
    5,074.13/7,612.41 = 1,611.38/x
  3. Step 3: Cross multiply
    5,074.13x = 7,612.41 × 1,611.38
  4. Step 4: Simplify right side
    5,074.13x = 12,266,447.16
  5. Step 5: Solve for x
    x = 12,266,447.16/5,074.13
  6. Step 6: Final answer
    x = 2,417.45

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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.