Home / 2,252.87-3,108.93-1,258.17

Finding the Fourth Proportional to 2,252.87, 3,108.93 and 1,258.17

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Solution

The fourth proportional to 2,252.87, 3,108.93 and 1,258.17 is: 1,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.87 : 3,108.93 = 1,258.17 : x
  2. Step 2: Convert to fraction form
    2,252.87/3,108.93 = 1,258.17/x
  3. Step 3: Cross multiply
    2,252.87x = 3,108.93 × 1,258.17
  4. Step 4: Simplify right side
    2,252.87x = 3,911,562.46
  5. Step 5: Solve for x
    x = 3,911,562.46/2,252.87
  6. Step 6: Final answer
    x = 1,736.26

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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.