Home / 7,370.72-10,171.40-4,013.47

Finding the Fourth Proportional to 7,370.72, 10,171.40 and 4,013.47

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Solution

The fourth proportional to 7,370.72, 10,171.40 and 4,013.47 is: 5,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.72 : 10,171.40 = 4,013.47 : x
  2. Step 2: Convert to fraction form
    7,370.72/10,171.40 = 4,013.47/x
  3. Step 3: Cross multiply
    7,370.72x = 10,171.40 × 4,013.47
  4. Step 4: Simplify right side
    7,370.72x = 40,822,608.76
  5. Step 5: Solve for x
    x = 40,822,608.76/7,370.72
  6. Step 6: Final answer
    x = 5,538.48

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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.