Home / 7,004.82-9,666.27-3,860.76

Finding the Fourth Proportional to 7,004.82, 9,666.27 and 3,860.76

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Solution

The fourth proportional to 7,004.82, 9,666.27 and 3,860.76 is: 5,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.82 : 9,666.27 = 3,860.76 : x
  2. Step 2: Convert to fraction form
    7,004.82/9,666.27 = 3,860.76/x
  3. Step 3: Cross multiply
    7,004.82x = 9,666.27 × 3,860.76
  4. Step 4: Simplify right side
    7,004.82x = 37,319,148.57
  5. Step 5: Solve for x
    x = 37,319,148.57/7,004.82
  6. Step 6: Final answer
    x = 5,327.64

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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.