Home / 5,054.40-7,581.42-1,356.44

Finding the Fourth Proportional to 5,054.40, 7,581.42 and 1,356.44

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Solution

The fourth proportional to 5,054.40, 7,581.42 and 1,356.44 is: 2,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.40 : 7,581.42 = 1,356.44 : x
  2. Step 2: Convert to fraction form
    5,054.40/7,581.42 = 1,356.44/x
  3. Step 3: Cross multiply
    5,054.40x = 7,581.42 × 1,356.44
  4. Step 4: Simplify right side
    5,054.40x = 10,283,741.34
  5. Step 5: Solve for x
    x = 10,283,741.34/5,054.40
  6. Step 6: Final answer
    x = 2,034.61

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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.