Home / 5,055.41-6,976.28-2,817.38

Finding the Fourth Proportional to 5,055.41, 6,976.28 and 2,817.38

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Solution

The fourth proportional to 5,055.41, 6,976.28 and 2,817.38 is: 3,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.41 : 6,976.28 = 2,817.38 : x
  2. Step 2: Convert to fraction form
    5,055.41/6,976.28 = 2,817.38/x
  3. Step 3: Cross multiply
    5,055.41x = 6,976.28 × 2,817.38
  4. Step 4: Simplify right side
    5,055.41x = 19,654,782.78
  5. Step 5: Solve for x
    x = 19,654,782.78/5,055.41
  6. Step 6: Final answer
    x = 3,887.88

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1.5x scale

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.