Home / 7,065.24-9,751.42-4,080.90

Finding the Fourth Proportional to 7,065.24, 9,751.42 and 4,080.90

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Solution

The fourth proportional to 7,065.24, 9,751.42 and 4,080.90 is: 5,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.24 : 9,751.42 = 4,080.90 : x
  2. Step 2: Convert to fraction form
    7,065.24/9,751.42 = 4,080.90/x
  3. Step 3: Cross multiply
    7,065.24x = 9,751.42 × 4,080.90
  4. Step 4: Simplify right side
    7,065.24x = 39,794,569.88
  5. Step 5: Solve for x
    x = 39,794,569.88/7,065.24
  6. Step 6: Final answer
    x = 5,632.44

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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.