Home / 5,585.20-8,371.68-2,807.44

Finding the Fourth Proportional to 5,585.20, 8,371.68 and 2,807.44

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Solution

The fourth proportional to 5,585.20, 8,371.68 and 2,807.44 is: 4,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.20 : 8,371.68 = 2,807.44 : x
  2. Step 2: Convert to fraction form
    5,585.20/8,371.68 = 2,807.44/x
  3. Step 3: Cross multiply
    5,585.20x = 8,371.68 × 2,807.44
  4. Step 4: Simplify right side
    5,585.20x = 23,502,989.30
  5. Step 5: Solve for x
    x = 23,502,989.30/5,585.20
  6. Step 6: Final answer
    x = 4,208.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.