Home / 2,568.36-3,543.72-1,861.24

Finding the Fourth Proportional to 2,568.36, 3,543.72 and 1,861.24

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Solution

The fourth proportional to 2,568.36, 3,543.72 and 1,861.24 is: 2,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.36 : 3,543.72 = 1,861.24 : x
  2. Step 2: Convert to fraction form
    2,568.36/3,543.72 = 1,861.24/x
  3. Step 3: Cross multiply
    2,568.36x = 3,543.72 × 1,861.24
  4. Step 4: Simplify right side
    2,568.36x = 6,595,713.41
  5. Step 5: Solve for x
    x = 6,595,713.41/2,568.36
  6. Step 6: Final answer
    x = 2,568.06

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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.