Home / 2,712.22-4,065.54-1,068.10

Finding the Fourth Proportional to 2,712.22, 4,065.54 and 1,068.10

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Solution

The fourth proportional to 2,712.22, 4,065.54 and 1,068.10 is: 1,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.22 : 4,065.54 = 1,068.10 : x
  2. Step 2: Convert to fraction form
    2,712.22/4,065.54 = 1,068.10/x
  3. Step 3: Cross multiply
    2,712.22x = 4,065.54 × 1,068.10
  4. Step 4: Simplify right side
    2,712.22x = 4,342,403.27
  5. Step 5: Solve for x
    x = 4,342,403.27/2,712.22
  6. Step 6: Final answer
    x = 1,601.05

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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.