Home / 5,023.80-6,932.85-2,785.70

Finding the Fourth Proportional to 5,023.80, 6,932.85 and 2,785.70

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Solution

The fourth proportional to 5,023.80, 6,932.85 and 2,785.70 is: 3,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.80 : 6,932.85 = 2,785.70 : x
  2. Step 2: Convert to fraction form
    5,023.80/6,932.85 = 2,785.70/x
  3. Step 3: Cross multiply
    5,023.80x = 6,932.85 × 2,785.70
  4. Step 4: Simplify right side
    5,023.80x = 19,312,857.58
  5. Step 5: Solve for x
    x = 19,312,857.58/5,023.80
  6. Step 6: Final answer
    x = 3,844.27

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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.