Home / 5,023.20-6,931.99-2,785.08

Finding the Fourth Proportional to 5,023.20, 6,931.99 and 2,785.08

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Solution

The fourth proportional to 5,023.20, 6,931.99 and 2,785.08 is: 3,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.20 : 6,931.99 = 2,785.08 : x
  2. Step 2: Convert to fraction form
    5,023.20/6,931.99 = 2,785.08/x
  3. Step 3: Cross multiply
    5,023.20x = 6,931.99 × 2,785.08
  4. Step 4: Simplify right side
    5,023.20x = 19,306,146.71
  5. Step 5: Solve for x
    x = 19,306,146.71/5,023.20
  6. Step 6: Final answer
    x = 3,843.40

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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.