Home / 7,370.75-10,171.43-4,013.49

Finding the Fourth Proportional to 7,370.75, 10,171.43 and 4,013.49

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Solution

The fourth proportional to 7,370.75, 10,171.43 and 4,013.49 is: 5,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.75 : 10,171.43 = 4,013.49 : x
  2. Step 2: Convert to fraction form
    7,370.75/10,171.43 = 4,013.49/x
  3. Step 3: Cross multiply
    7,370.75x = 10,171.43 × 4,013.49
  4. Step 4: Simplify right side
    7,370.75x = 40,822,932.59
  5. Step 5: Solve for x
    x = 40,822,932.59/7,370.75
  6. Step 6: Final answer
    x = 5,538.50

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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.