Home / 3,182.76-4,392.24-1,785.48

Finding the Fourth Proportional to 3,182.76, 4,392.24 and 1,785.48

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Solution

The fourth proportional to 3,182.76, 4,392.24 and 1,785.48 is: 2,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.76 : 4,392.24 = 1,785.48 : x
  2. Step 2: Convert to fraction form
    3,182.76/4,392.24 = 1,785.48/x
  3. Step 3: Cross multiply
    3,182.76x = 4,392.24 × 1,785.48
  4. Step 4: Simplify right side
    3,182.76x = 7,842,256.68
  5. Step 5: Solve for x
    x = 7,842,256.68/3,182.76
  6. Step 6: Final answer
    x = 2,463.98

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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.