Home / 2,447.54-3,377.51-1,328.45

Finding the Fourth Proportional to 2,447.54, 3,377.51 and 1,328.45

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Solution

The fourth proportional to 2,447.54, 3,377.51 and 1,328.45 is: 1,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.54 : 3,377.51 = 1,328.45 : x
  2. Step 2: Convert to fraction form
    2,447.54/3,377.51 = 1,328.45/x
  3. Step 3: Cross multiply
    2,447.54x = 3,377.51 × 1,328.45
  4. Step 4: Simplify right side
    2,447.54x = 4,486,859.89
  5. Step 5: Solve for x
    x = 4,486,859.89/2,447.54
  6. Step 6: Final answer
    x = 1,833.21

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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.