Home / 5,056.28-6,976.11-2,931.38

Finding the Fourth Proportional to 5,056.28, 6,976.11 and 2,931.38

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Solution

The fourth proportional to 5,056.28, 6,976.11 and 2,931.38 is: 4,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.28 : 6,976.11 = 2,931.38 : x
  2. Step 2: Convert to fraction form
    5,056.28/6,976.11 = 2,931.38/x
  3. Step 3: Cross multiply
    5,056.28x = 6,976.11 × 2,931.38
  4. Step 4: Simplify right side
    5,056.28x = 20,449,655.93
  5. Step 5: Solve for x
    x = 20,449,655.93/5,056.28
  6. Step 6: Final answer
    x = 4,044.41

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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.