Home / 6,975.33-9,627.72-3,992.10

Finding the Fourth Proportional to 6,975.33, 9,627.72 and 3,992.10

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Solution

The fourth proportional to 6,975.33, 9,627.72 and 3,992.10 is: 5,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.33 : 9,627.72 = 3,992.10 : x
  2. Step 2: Convert to fraction form
    6,975.33/9,627.72 = 3,992.10/x
  3. Step 3: Cross multiply
    6,975.33x = 9,627.72 × 3,992.10
  4. Step 4: Simplify right side
    6,975.33x = 38,434,821.01
  5. Step 5: Solve for x
    x = 38,434,821.01/6,975.33
  6. Step 6: Final answer
    x = 5,510.11

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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.