Home / 2,258.46-3,116.80-1,263.73

Finding the Fourth Proportional to 2,258.46, 3,116.80 and 1,263.73

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Solution

The fourth proportional to 2,258.46, 3,116.80 and 1,263.73 is: 1,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.46 : 3,116.80 = 1,263.73 : x
  2. Step 2: Convert to fraction form
    2,258.46/3,116.80 = 1,263.73/x
  3. Step 3: Cross multiply
    2,258.46x = 3,116.80 × 1,263.73
  4. Step 4: Simplify right side
    2,258.46x = 3,938,777.29
  5. Step 5: Solve for x
    x = 3,938,777.29/2,258.46
  6. Step 6: Final answer
    x = 1,744.01

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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.