Home / 4,109.78-6,165.27-1,512.51

Finding the Fourth Proportional to 4,109.78, 6,165.27 and 1,512.51

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Solution

The fourth proportional to 4,109.78, 6,165.27 and 1,512.51 is: 2,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.78 : 6,165.27 = 1,512.51 : x
  2. Step 2: Convert to fraction form
    4,109.78/6,165.27 = 1,512.51/x
  3. Step 3: Cross multiply
    4,109.78x = 6,165.27 × 1,512.51
  4. Step 4: Simplify right side
    4,109.78x = 9,325,032.53
  5. Step 5: Solve for x
    x = 9,325,032.53/4,109.78
  6. Step 6: Final answer
    x = 2,268.99

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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.