Home / 5,023.23-6,931.89-2,785.02

Finding the Fourth Proportional to 5,023.23, 6,931.89 and 2,785.02

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Solution

The fourth proportional to 5,023.23, 6,931.89 and 2,785.02 is: 3,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.23 : 6,931.89 = 2,785.02 : x
  2. Step 2: Convert to fraction form
    5,023.23/6,931.89 = 2,785.02/x
  3. Step 3: Cross multiply
    5,023.23x = 6,931.89 × 2,785.02
  4. Step 4: Simplify right side
    5,023.23x = 19,305,452.29
  5. Step 5: Solve for x
    x = 19,305,452.29/5,023.23
  6. Step 6: Final answer
    x = 3,843.23

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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.