Home / 5,921.31-8,883.75-1,761.45

Finding the Fourth Proportional to 5,921.31, 8,883.75 and 1,761.45

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Solution

The fourth proportional to 5,921.31, 8,883.75 and 1,761.45 is: 2,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.31 : 8,883.75 = 1,761.45 : x
  2. Step 2: Convert to fraction form
    5,921.31/8,883.75 = 1,761.45/x
  3. Step 3: Cross multiply
    5,921.31x = 8,883.75 × 1,761.45
  4. Step 4: Simplify right side
    5,921.31x = 15,648,281.44
  5. Step 5: Solve for x
    x = 15,648,281.44/5,921.31
  6. Step 6: Final answer
    x = 2,642.71

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1.5x scale

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.