Home / 5,883.79-8,111.75-5,040.87

Finding the Fourth Proportional to 5,883.79, 8,111.75 and 5,040.87

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Solution

The fourth proportional to 5,883.79, 8,111.75 and 5,040.87 is: 6,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,883.79 : 8,111.75 = 5,040.87 : x
  2. Step 2: Convert to fraction form
    5,883.79/8,111.75 = 5,040.87/x
  3. Step 3: Cross multiply
    5,883.79x = 8,111.75 × 5,040.87
  4. Step 4: Simplify right side
    5,883.79x = 40,890,252.02
  5. Step 5: Solve for x
    x = 40,890,252.02/5,883.79
  6. Step 6: Final answer
    x = 6,949.65

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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.