Home / 3,715.27-5,127.05-2,036.75

Finding the Fourth Proportional to 3,715.27, 5,127.05 and 2,036.75

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Solution

The fourth proportional to 3,715.27, 5,127.05 and 2,036.75 is: 2,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.27 : 5,127.05 = 2,036.75 : x
  2. Step 2: Convert to fraction form
    3,715.27/5,127.05 = 2,036.75/x
  3. Step 3: Cross multiply
    3,715.27x = 5,127.05 × 2,036.75
  4. Step 4: Simplify right side
    3,715.27x = 10,442,493.45
  5. Step 5: Solve for x
    x = 10,442,493.45/3,715.27
  6. Step 6: Final answer
    x = 2,810.70

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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.