Home / 2,712.72-4,063.36-1,410.24

Finding the Fourth Proportional to 2,712.72, 4,063.36 and 1,410.24

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Solution

The fourth proportional to 2,712.72, 4,063.36 and 1,410.24 is: 2,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.72 : 4,063.36 = 1,410.24 : x
  2. Step 2: Convert to fraction form
    2,712.72/4,063.36 = 1,410.24/x
  3. Step 3: Cross multiply
    2,712.72x = 4,063.36 × 1,410.24
  4. Step 4: Simplify right side
    2,712.72x = 5,730,312.81
  5. Step 5: Solve for x
    x = 5,730,312.81/2,712.72
  6. Step 6: Final answer
    x = 2,112.39

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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.