Home / 3,617.08-5,426.02-1,425.52

Finding the Fourth Proportional to 3,617.08, 5,426.02 and 1,425.52

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Solution

The fourth proportional to 3,617.08, 5,426.02 and 1,425.52 is: 2,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.08 : 5,426.02 = 1,425.52 : x
  2. Step 2: Convert to fraction form
    3,617.08/5,426.02 = 1,425.52/x
  3. Step 3: Cross multiply
    3,617.08x = 5,426.02 × 1,425.52
  4. Step 4: Simplify right side
    3,617.08x = 7,734,900.03
  5. Step 5: Solve for x
    x = 7,734,900.03/3,617.08
  6. Step 6: Final answer
    x = 2,138.44

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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.