Home / 5,912.19-8,158.81-3,259.60

Finding the Fourth Proportional to 5,912.19, 8,158.81 and 3,259.60

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Solution

The fourth proportional to 5,912.19, 8,158.81 and 3,259.60 is: 4,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.19 : 8,158.81 = 3,259.60 : x
  2. Step 2: Convert to fraction form
    5,912.19/8,158.81 = 3,259.60/x
  3. Step 3: Cross multiply
    5,912.19x = 8,158.81 × 3,259.60
  4. Step 4: Simplify right side
    5,912.19x = 26,594,505.76
  5. Step 5: Solve for x
    x = 26,594,505.76/5,912.19
  6. Step 6: Final answer
    x = 4,498.25

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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.