Home / 5,055.75-6,976.98-2,959.92

Finding the Fourth Proportional to 5,055.75, 6,976.98 and 2,959.92

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Solution

The fourth proportional to 5,055.75, 6,976.98 and 2,959.92 is: 4,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.75 : 6,976.98 = 2,959.92 : x
  2. Step 2: Convert to fraction form
    5,055.75/6,976.98 = 2,959.92/x
  3. Step 3: Cross multiply
    5,055.75x = 6,976.98 × 2,959.92
  4. Step 4: Simplify right side
    5,055.75x = 20,651,302.64
  5. Step 5: Solve for x
    x = 20,651,302.64/5,055.75
  6. Step 6: Final answer
    x = 4,084.72

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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.