Home / 5,632.30-7,772.38-3,080.12

Finding the Fourth Proportional to 5,632.30, 7,772.38 and 3,080.12

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Solution

The fourth proportional to 5,632.30, 7,772.38 and 3,080.12 is: 4,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.30 : 7,772.38 = 3,080.12 : x
  2. Step 2: Convert to fraction form
    5,632.30/7,772.38 = 3,080.12/x
  3. Step 3: Cross multiply
    5,632.30x = 7,772.38 × 3,080.12
  4. Step 4: Simplify right side
    5,632.30x = 23,939,863.09
  5. Step 5: Solve for x
    x = 23,939,863.09/5,632.30
  6. Step 6: Final answer
    x = 4,250.46

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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.