Home / 5,912.79-8,159.71-3,260.30

Finding the Fourth Proportional to 5,912.79, 8,159.71 and 3,260.30

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Solution

The fourth proportional to 5,912.79, 8,159.71 and 3,260.30 is: 4,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.79 : 8,159.71 = 3,260.30 : x
  2. Step 2: Convert to fraction form
    5,912.79/8,159.71 = 3,260.30/x
  3. Step 3: Cross multiply
    5,912.79x = 8,159.71 × 3,260.30
  4. Step 4: Simplify right side
    5,912.79x = 26,603,102.51
  5. Step 5: Solve for x
    x = 26,603,102.51/5,912.79
  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.