Home / 2,312.24-3,189.09-2,046.97

Finding the Fourth Proportional to 2,312.24, 3,189.09 and 2,046.97

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Solution

The fourth proportional to 2,312.24, 3,189.09 and 2,046.97 is: 2,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.24 : 3,189.09 = 2,046.97 : x
  2. Step 2: Convert to fraction form
    2,312.24/3,189.09 = 2,046.97/x
  3. Step 3: Cross multiply
    2,312.24x = 3,189.09 × 2,046.97
  4. Step 4: Simplify right side
    2,312.24x = 6,527,971.56
  5. Step 5: Solve for x
    x = 6,527,971.56/2,312.24
  6. Step 6: Final answer
    x = 2,823.22

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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.