Home / 5,732.98-7,911.56-3,742.36

Finding the Fourth Proportional to 5,732.98, 7,911.56 and 3,742.36

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Solution

The fourth proportional to 5,732.98, 7,911.56 and 3,742.36 is: 5,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.98 : 7,911.56 = 3,742.36 : x
  2. Step 2: Convert to fraction form
    5,732.98/7,911.56 = 3,742.36/x
  3. Step 3: Cross multiply
    5,732.98x = 7,911.56 × 3,742.36
  4. Step 4: Simplify right side
    5,732.98x = 29,607,905.68
  5. Step 5: Solve for x
    x = 29,607,905.68/5,732.98
  6. Step 6: Final answer
    x = 5,164.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.