Home / 2,306.07-3,182.37-1,258.13

Finding the Fourth Proportional to 2,306.07, 3,182.37 and 1,258.13

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Solution

The fourth proportional to 2,306.07, 3,182.37 and 1,258.13 is: 1,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.07 : 3,182.37 = 1,258.13 : x
  2. Step 2: Convert to fraction form
    2,306.07/3,182.37 = 1,258.13/x
  3. Step 3: Cross multiply
    2,306.07x = 3,182.37 × 1,258.13
  4. Step 4: Simplify right side
    2,306.07x = 4,003,819.26
  5. Step 5: Solve for x
    x = 4,003,819.26/2,306.07
  6. Step 6: Final answer
    x = 1,736.21

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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.