Home / 5,433.02-8,147.78-2,800.17

Finding the Fourth Proportional to 5,433.02, 8,147.78 and 2,800.17

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Solution

The fourth proportional to 5,433.02, 8,147.78 and 2,800.17 is: 4,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.02 : 8,147.78 = 2,800.17 : x
  2. Step 2: Convert to fraction form
    5,433.02/8,147.78 = 2,800.17/x
  3. Step 3: Cross multiply
    5,433.02x = 8,147.78 × 2,800.17
  4. Step 4: Simplify right side
    5,433.02x = 22,815,169.12
  5. Step 5: Solve for x
    x = 22,815,169.12/5,433.02
  6. Step 6: Final answer
    x = 4,199.35

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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.