Home / 2,164.35-3,247.53-1,068.11

Finding the Fourth Proportional to 2,164.35, 3,247.53 and 1,068.11

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Solution

The fourth proportional to 2,164.35, 3,247.53 and 1,068.11 is: 1,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.35 : 3,247.53 = 1,068.11 : x
  2. Step 2: Convert to fraction form
    2,164.35/3,247.53 = 1,068.11/x
  3. Step 3: Cross multiply
    2,164.35x = 3,247.53 × 1,068.11
  4. Step 4: Simplify right side
    2,164.35x = 3,468,719.27
  5. Step 5: Solve for x
    x = 3,468,719.27/2,164.35
  6. Step 6: Final answer
    x = 1,602.66

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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.