Home / 4,188.11-5,778.74-2,419.27

Finding the Fourth Proportional to 4,188.11, 5,778.74 and 2,419.27

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Solution

The fourth proportional to 4,188.11, 5,778.74 and 2,419.27 is: 3,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.11 : 5,778.74 = 2,419.27 : x
  2. Step 2: Convert to fraction form
    4,188.11/5,778.74 = 2,419.27/x
  3. Step 3: Cross multiply
    4,188.11x = 5,778.74 × 2,419.27
  4. Step 4: Simplify right side
    4,188.11x = 13,980,323.92
  5. Step 5: Solve for x
    x = 13,980,323.92/4,188.11
  6. Step 6: Final answer
    x = 3,338.10

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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.