Home / 2,258.99-3,117.55-1,264.44

Finding the Fourth Proportional to 2,258.99, 3,117.55 and 1,264.44

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Solution

The fourth proportional to 2,258.99, 3,117.55 and 1,264.44 is: 1,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.99 : 3,117.55 = 1,264.44 : x
  2. Step 2: Convert to fraction form
    2,258.99/3,117.55 = 1,264.44/x
  3. Step 3: Cross multiply
    2,258.99x = 3,117.55 × 1,264.44
  4. Step 4: Simplify right side
    2,258.99x = 3,941,954.92
  5. Step 5: Solve for x
    x = 3,941,954.92/2,258.99
  6. Step 6: Final answer
    x = 1,745.01

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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.