Home / 3,256.40-4,494.41-1,930.56

Finding the Fourth Proportional to 3,256.40, 4,494.41 and 1,930.56

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Solution

The fourth proportional to 3,256.40, 4,494.41 and 1,930.56 is: 2,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.40 : 4,494.41 = 1,930.56 : x
  2. Step 2: Convert to fraction form
    3,256.40/4,494.41 = 1,930.56/x
  3. Step 3: Cross multiply
    3,256.40x = 4,494.41 × 1,930.56
  4. Step 4: Simplify right side
    3,256.40x = 8,676,728.17
  5. Step 5: Solve for x
    x = 8,676,728.17/3,256.40
  6. Step 6: Final answer
    x = 2,664.52

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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.