Home / 5,207.66-7,186.76-2,969.18

Finding the Fourth Proportional to 5,207.66, 7,186.76 and 2,969.18

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Solution

The fourth proportional to 5,207.66, 7,186.76 and 2,969.18 is: 4,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.66 : 7,186.76 = 2,969.18 : x
  2. Step 2: Convert to fraction form
    5,207.66/7,186.76 = 2,969.18/x
  3. Step 3: Cross multiply
    5,207.66x = 7,186.76 × 2,969.18
  4. Step 4: Simplify right side
    5,207.66x = 21,338,733.28
  5. Step 5: Solve for x
    x = 21,338,733.28/5,207.66
  6. Step 6: Final answer
    x = 4,097.57

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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.