Home / 7,240.88-9,991.29-4,053.33

Finding the Fourth Proportional to 7,240.88, 9,991.29 and 4,053.33

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Solution

The fourth proportional to 7,240.88, 9,991.29 and 4,053.33 is: 5,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.88 : 9,991.29 = 4,053.33 : x
  2. Step 2: Convert to fraction form
    7,240.88/9,991.29 = 4,053.33/x
  3. Step 3: Cross multiply
    7,240.88x = 9,991.29 × 4,053.33
  4. Step 4: Simplify right side
    7,240.88x = 40,497,995.50
  5. Step 5: Solve for x
    x = 40,497,995.50/7,240.88
  6. Step 6: Final answer
    x = 5,592.97

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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.