Home / 7,004.25-9,665.96-3,860.51

Finding the Fourth Proportional to 7,004.25, 9,665.96 and 3,860.51

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Solution

The fourth proportional to 7,004.25, 9,665.96 and 3,860.51 is: 5,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.25 : 9,665.96 = 3,860.51 : x
  2. Step 2: Convert to fraction form
    7,004.25/9,665.96 = 3,860.51/x
  3. Step 3: Cross multiply
    7,004.25x = 9,665.96 × 3,860.51
  4. Step 4: Simplify right side
    7,004.25x = 37,315,467.61
  5. Step 5: Solve for x
    x = 37,315,467.61/7,004.25
  6. Step 6: Final answer
    x = 5,327.55

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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.