Home / 7,747.25-10,691.14-4,210.48

Finding the Fourth Proportional to 7,747.25, 10,691.14 and 4,210.48

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Solution

The fourth proportional to 7,747.25, 10,691.14 and 4,210.48 is: 5,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.25 : 10,691.14 = 4,210.48 : x
  2. Step 2: Convert to fraction form
    7,747.25/10,691.14 = 4,210.48/x
  3. Step 3: Cross multiply
    7,747.25x = 10,691.14 × 4,210.48
  4. Step 4: Simplify right side
    7,747.25x = 45,014,841.88
  5. Step 5: Solve for x
    x = 45,014,841.88/7,747.25
  6. Step 6: Final answer
    x = 5,810.43

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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.