Home / 3,563.12-5,345.28-966.32

Finding the Fourth Proportional to 3,563.12, 5,345.28 and 966.32

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Solution

The fourth proportional to 3,563.12, 5,345.28 and 966.32 is: 1,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.12 : 5,345.28 = 966.32 : x
  2. Step 2: Convert to fraction form
    3,563.12/5,345.28 = 966.32/x
  3. Step 3: Cross multiply
    3,563.12x = 5,345.28 × 966.32
  4. Step 4: Simplify right side
    3,563.12x = 5,165,250.97
  5. Step 5: Solve for x
    x = 5,165,250.97/3,563.12
  6. Step 6: Final answer
    x = 1,449.64

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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.