Home / 7,066.63-9,751.45-3,922.57

Finding the Fourth Proportional to 7,066.63, 9,751.45 and 3,922.57

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Solution

The fourth proportional to 7,066.63, 9,751.45 and 3,922.57 is: 5,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.63 : 9,751.45 = 3,922.57 : x
  2. Step 2: Convert to fraction form
    7,066.63/9,751.45 = 3,922.57/x
  3. Step 3: Cross multiply
    7,066.63x = 9,751.45 × 3,922.57
  4. Step 4: Simplify right side
    7,066.63x = 38,250,696.47
  5. Step 5: Solve for x
    x = 38,250,696.47/7,066.63
  6. Step 6: Final answer
    x = 5,412.87

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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.