Home / 2,258.46-3,116.97-1,631.01

Finding the Fourth Proportional to 2,258.46, 3,116.97 and 1,631.01

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Solution

The fourth proportional to 2,258.46, 3,116.97 and 1,631.01 is: 2,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.46 : 3,116.97 = 1,631.01 : x
  2. Step 2: Convert to fraction form
    2,258.46/3,116.97 = 1,631.01/x
  3. Step 3: Cross multiply
    2,258.46x = 3,116.97 × 1,631.01
  4. Step 4: Simplify right side
    2,258.46x = 5,083,809.24
  5. Step 5: Solve for x
    x = 5,083,809.24/2,258.46
  6. Step 6: Final answer
    x = 2,251.01

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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.