Home / 4,112.10-6,168.51-1,515.06

Finding the Fourth Proportional to 4,112.10, 6,168.51 and 1,515.06

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Solution

The fourth proportional to 4,112.10, 6,168.51 and 1,515.06 is: 2,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.10 : 6,168.51 = 1,515.06 : x
  2. Step 2: Convert to fraction form
    4,112.10/6,168.51 = 1,515.06/x
  3. Step 3: Cross multiply
    4,112.10x = 6,168.51 × 1,515.06
  4. Step 4: Simplify right side
    4,112.10x = 9,345,662.76
  5. Step 5: Solve for x
    x = 9,345,662.76/4,112.10
  6. Step 6: Final answer
    x = 2,272.72

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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.