Home / 2,714.79-4,070.55-1,072.11

Finding the Fourth Proportional to 2,714.79, 4,070.55 and 1,072.11

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Solution

The fourth proportional to 2,714.79, 4,070.55 and 1,072.11 is: 1,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.79 : 4,070.55 = 1,072.11 : x
  2. Step 2: Convert to fraction form
    2,714.79/4,070.55 = 1,072.11/x
  3. Step 3: Cross multiply
    2,714.79x = 4,070.55 × 1,072.11
  4. Step 4: Simplify right side
    2,714.79x = 4,364,077.36
  5. Step 5: Solve for x
    x = 4,364,077.36/2,714.79
  6. Step 6: Final answer
    x = 1,607.52

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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.