Home / 2,098.32-3,131.75-2,063.71

Finding the Fourth Proportional to 2,098.32, 3,131.75 and 2,063.71

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Solution

The fourth proportional to 2,098.32, 3,131.75 and 2,063.71 is: 3,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.32 : 3,131.75 = 2,063.71 : x
  2. Step 2: Convert to fraction form
    2,098.32/3,131.75 = 2,063.71/x
  3. Step 3: Cross multiply
    2,098.32x = 3,131.75 × 2,063.71
  4. Step 4: Simplify right side
    2,098.32x = 6,463,023.79
  5. Step 5: Solve for x
    x = 6,463,023.79/2,098.32
  6. Step 6: Final answer
    x = 3,080.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.