Home / 5,055.38-6,976.50-2,931.02

Finding the Fourth Proportional to 5,055.38, 6,976.50 and 2,931.02

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Solution

The fourth proportional to 5,055.38, 6,976.50 and 2,931.02 is: 4,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.38 : 6,976.50 = 2,931.02 : x
  2. Step 2: Convert to fraction form
    5,055.38/6,976.50 = 2,931.02/x
  3. Step 3: Cross multiply
    5,055.38x = 6,976.50 × 2,931.02
  4. Step 4: Simplify right side
    5,055.38x = 20,448,241.32
  5. Step 5: Solve for x
    x = 20,448,241.32/5,055.38
  6. Step 6: Final answer
    x = 4,044.85

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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.