Home / 5,023.30-6,931.85-2,785.03

Finding the Fourth Proportional to 5,023.30, 6,931.85 and 2,785.03

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Solution

The fourth proportional to 5,023.30, 6,931.85 and 2,785.03 is: 3,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.30 : 6,931.85 = 2,785.03 : x
  2. Step 2: Convert to fraction form
    5,023.30/6,931.85 = 2,785.03/x
  3. Step 3: Cross multiply
    5,023.30x = 6,931.85 × 2,785.03
  4. Step 4: Simplify right side
    5,023.30x = 19,305,410.21
  5. Step 5: Solve for x
    x = 19,305,410.21/5,023.30
  6. Step 6: Final answer
    x = 3,843.17

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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.