Home / 4,974.28-6,864.53-2,736.39

Finding the Fourth Proportional to 4,974.28, 6,864.53 and 2,736.39

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Solution

The fourth proportional to 4,974.28, 6,864.53 and 2,736.39 is: 3,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.28 : 6,864.53 = 2,736.39 : x
  2. Step 2: Convert to fraction form
    4,974.28/6,864.53 = 2,736.39/x
  3. Step 3: Cross multiply
    4,974.28x = 6,864.53 × 2,736.39
  4. Step 4: Simplify right side
    4,974.28x = 18,784,031.25
  5. Step 5: Solve for x
    x = 18,784,031.25/4,974.28
  6. Step 6: Final answer
    x = 3,776.23

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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.