Home / 2,277.16-3,139.14-1,611.96

Finding the Fourth Proportional to 2,277.16, 3,139.14 and 1,611.96

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Solution

The fourth proportional to 2,277.16, 3,139.14 and 1,611.96 is: 2,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.16 : 3,139.14 = 1,611.96 : x
  2. Step 2: Convert to fraction form
    2,277.16/3,139.14 = 1,611.96/x
  3. Step 3: Cross multiply
    2,277.16x = 3,139.14 × 1,611.96
  4. Step 4: Simplify right side
    2,277.16x = 5,060,168.11
  5. Step 5: Solve for x
    x = 5,060,168.11/2,277.16
  6. Step 6: Final answer
    x = 2,222.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.