Home / 7,245.07-9,995.85-4,057.88

Finding the Fourth Proportional to 7,245.07, 9,995.85 and 4,057.88

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Solution

The fourth proportional to 7,245.07, 9,995.85 and 4,057.88 is: 5,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.07 : 9,995.85 = 4,057.88 : x
  2. Step 2: Convert to fraction form
    7,245.07/9,995.85 = 4,057.88/x
  3. Step 3: Cross multiply
    7,245.07x = 9,995.85 × 4,057.88
  4. Step 4: Simplify right side
    7,245.07x = 40,561,959.80
  5. Step 5: Solve for x
    x = 40,561,959.80/7,245.07
  6. Step 6: Final answer
    x = 5,598.56

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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.