Home / 7,066.27-9,750.79-4,081.70

Finding the Fourth Proportional to 7,066.27, 9,750.79 and 4,081.70

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Solution

The fourth proportional to 7,066.27, 9,750.79 and 4,081.70 is: 5,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.27 : 9,750.79 = 4,081.70 : x
  2. Step 2: Convert to fraction form
    7,066.27/9,750.79 = 4,081.70/x
  3. Step 3: Cross multiply
    7,066.27x = 9,750.79 × 4,081.70
  4. Step 4: Simplify right side
    7,066.27x = 39,799,829.02
  5. Step 5: Solve for x
    x = 39,799,829.02/7,066.27
  6. Step 6: Final answer
    x = 5,632.37

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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.