Home / 2,360.75-3,258.88-1,731.26

Finding the Fourth Proportional to 2,360.75, 3,258.88 and 1,731.26

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Solution

The fourth proportional to 2,360.75, 3,258.88 and 1,731.26 is: 2,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.75 : 3,258.88 = 1,731.26 : x
  2. Step 2: Convert to fraction form
    2,360.75/3,258.88 = 1,731.26/x
  3. Step 3: Cross multiply
    2,360.75x = 3,258.88 × 1,731.26
  4. Step 4: Simplify right side
    2,360.75x = 5,641,972.41
  5. Step 5: Solve for x
    x = 5,641,972.41/2,360.75
  6. Step 6: Final answer
    x = 2,389.91

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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.