Home / 6,933.19-10,399.62-2,987.07

Finding the Fourth Proportional to 6,933.19, 10,399.62 and 2,987.07

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Solution

The fourth proportional to 6,933.19, 10,399.62 and 2,987.07 is: 4,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.19 : 10,399.62 = 2,987.07 : x
  2. Step 2: Convert to fraction form
    6,933.19/10,399.62 = 2,987.07/x
  3. Step 3: Cross multiply
    6,933.19x = 10,399.62 × 2,987.07
  4. Step 4: Simplify right side
    6,933.19x = 31,064,340.92
  5. Step 5: Solve for x
    x = 31,064,340.92/6,933.19
  6. Step 6: Final answer
    x = 4,480.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.