Home / 3,055.65-4,217.14-1,876.02

Finding the Fourth Proportional to 3,055.65, 4,217.14 and 1,876.02

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Solution

The fourth proportional to 3,055.65, 4,217.14 and 1,876.02 is: 2,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.65 : 4,217.14 = 1,876.02 : x
  2. Step 2: Convert to fraction form
    3,055.65/4,217.14 = 1,876.02/x
  3. Step 3: Cross multiply
    3,055.65x = 4,217.14 × 1,876.02
  4. Step 4: Simplify right side
    3,055.65x = 7,911,438.98
  5. Step 5: Solve for x
    x = 7,911,438.98/3,055.65
  6. Step 6: Final answer
    x = 2,589.12

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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.