Home / 7,331.25-10,117.13-4,019.25

Finding the Fourth Proportional to 7,331.25, 10,117.13 and 4,019.25

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Solution

The fourth proportional to 7,331.25, 10,117.13 and 4,019.25 is: 5,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.25 : 10,117.13 = 4,019.25 : x
  2. Step 2: Convert to fraction form
    7,331.25/10,117.13 = 4,019.25/x
  3. Step 3: Cross multiply
    7,331.25x = 10,117.13 × 4,019.25
  4. Step 4: Simplify right side
    7,331.25x = 40,663,254.66
  5. Step 5: Solve for x
    x = 40,663,254.66/7,331.25
  6. Step 6: Final answer
    x = 5,546.57

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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.