Home / 7,331.25-10,118.97-4,189.26

Finding the Fourth Proportional to 7,331.25, 10,118.97 and 4,189.26

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Solution

The fourth proportional to 7,331.25, 10,118.97 and 4,189.26 is: 5,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.25 : 10,118.97 = 4,189.26 : x
  2. Step 2: Convert to fraction form
    7,331.25/10,118.97 = 4,189.26/x
  3. Step 3: Cross multiply
    7,331.25x = 10,118.97 × 4,189.26
  4. Step 4: Simplify right side
    7,331.25x = 42,390,996.26
  5. Step 5: Solve for x
    x = 42,390,996.26/7,331.25
  6. Step 6: Final answer
    x = 5,782.23

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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.