Home / 5,912.78-8,160.01-3,260.18

Finding the Fourth Proportional to 5,912.78, 8,160.01 and 3,260.18

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Solution

The fourth proportional to 5,912.78, 8,160.01 and 3,260.18 is: 4,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.78 : 8,160.01 = 3,260.18 : x
  2. Step 2: Convert to fraction form
    5,912.78/8,160.01 = 3,260.18/x
  3. Step 3: Cross multiply
    5,912.78x = 8,160.01 × 3,260.18
  4. Step 4: Simplify right side
    5,912.78x = 26,603,101.40
  5. Step 5: Solve for x
    x = 26,603,101.40/5,912.78
  6. Step 6: Final answer
    x = 4,499.25

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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.