Home / 2,206.47-3,044.39-1,249.40

Finding the Fourth Proportional to 2,206.47, 3,044.39 and 1,249.40

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Solution

The fourth proportional to 2,206.47, 3,044.39 and 1,249.40 is: 1,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.47 : 3,044.39 = 1,249.40 : x
  2. Step 2: Convert to fraction form
    2,206.47/3,044.39 = 1,249.40/x
  3. Step 3: Cross multiply
    2,206.47x = 3,044.39 × 1,249.40
  4. Step 4: Simplify right side
    2,206.47x = 3,803,639.40
  5. Step 5: Solve for x
    x = 3,803,639.40/2,206.47
  6. Step 6: Final answer
    x = 1,723.86

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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.