Home / 7,707.41-10,636.25-4,170.62

Finding the Fourth Proportional to 7,707.41, 10,636.25 and 4,170.62

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Solution

The fourth proportional to 7,707.41, 10,636.25 and 4,170.62 is: 5,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.41 : 10,636.25 = 4,170.62 : x
  2. Step 2: Convert to fraction form
    7,707.41/10,636.25 = 4,170.62/x
  3. Step 3: Cross multiply
    7,707.41x = 10,636.25 × 4,170.62
  4. Step 4: Simplify right side
    7,707.41x = 44,359,756.98
  5. Step 5: Solve for x
    x = 44,359,756.98/7,707.41
  6. Step 6: Final answer
    x = 5,755.47

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Half scale
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Double scale
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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.