Home / 3,278.03-4,523.60-1,785.92

Finding the Fourth Proportional to 3,278.03, 4,523.60 and 1,785.92

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Solution

The fourth proportional to 3,278.03, 4,523.60 and 1,785.92 is: 2,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.03 : 4,523.60 = 1,785.92 : x
  2. Step 2: Convert to fraction form
    3,278.03/4,523.60 = 1,785.92/x
  3. Step 3: Cross multiply
    3,278.03x = 4,523.60 × 1,785.92
  4. Step 4: Simplify right side
    3,278.03x = 8,078,787.71
  5. Step 5: Solve for x
    x = 8,078,787.71/3,278.03
  6. Step 6: Final answer
    x = 2,464.53

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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.