Home / 5,406.77-8,119.42-3,339.01

Finding the Fourth Proportional to 5,406.77, 8,119.42 and 3,339.01

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Solution

The fourth proportional to 5,406.77, 8,119.42 and 3,339.01 is: 5,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.77 : 8,119.42 = 3,339.01 : x
  2. Step 2: Convert to fraction form
    5,406.77/8,119.42 = 3,339.01/x
  3. Step 3: Cross multiply
    5,406.77x = 8,119.42 × 3,339.01
  4. Step 4: Simplify right side
    5,406.77x = 27,110,824.57
  5. Step 5: Solve for x
    x = 27,110,824.57/5,406.77
  6. Step 6: Final answer
    x = 5,014.24

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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.