Home / 5,680.15-7,837.17-3,556.71

Finding the Fourth Proportional to 5,680.15, 7,837.17 and 3,556.71

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Solution

The fourth proportional to 5,680.15, 7,837.17 and 3,556.71 is: 4,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.15 : 7,837.17 = 3,556.71 : x
  2. Step 2: Convert to fraction form
    5,680.15/7,837.17 = 3,556.71/x
  3. Step 3: Cross multiply
    5,680.15x = 7,837.17 × 3,556.71
  4. Step 4: Simplify right side
    5,680.15x = 27,874,527.57
  5. Step 5: Solve for x
    x = 27,874,527.57/5,680.15
  6. Step 6: Final answer
    x = 4,907.36

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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.