Home / 5,074.11-7,611.57-1,611.36

Finding the Fourth Proportional to 5,074.11, 7,611.57 and 1,611.36

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Solution

The fourth proportional to 5,074.11, 7,611.57 and 1,611.36 is: 2,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.11 : 7,611.57 = 1,611.36 : x
  2. Step 2: Convert to fraction form
    5,074.11/7,611.57 = 1,611.36/x
  3. Step 3: Cross multiply
    5,074.11x = 7,611.57 × 1,611.36
  4. Step 4: Simplify right side
    5,074.11x = 12,264,979.44
  5. Step 5: Solve for x
    x = 12,264,979.44/5,074.11
  6. Step 6: Final answer
    x = 2,417.17

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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.