Home / 7,008.20-9,669.48-4,175.36

Finding the Fourth Proportional to 7,008.20, 9,669.48 and 4,175.36

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Solution

The fourth proportional to 7,008.20, 9,669.48 and 4,175.36 is: 5,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.20 : 9,669.48 = 4,175.36 : x
  2. Step 2: Convert to fraction form
    7,008.20/9,669.48 = 4,175.36/x
  3. Step 3: Cross multiply
    7,008.20x = 9,669.48 × 4,175.36
  4. Step 4: Simplify right side
    7,008.20x = 40,373,560.01
  5. Step 5: Solve for x
    x = 40,373,560.01/7,008.20
  6. Step 6: Final answer
    x = 5,760.90

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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.