Home / 4,186.61-5,778.56-2,419.23

Finding the Fourth Proportional to 4,186.61, 5,778.56 and 2,419.23

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Solution

The fourth proportional to 4,186.61, 5,778.56 and 2,419.23 is: 3,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.61 : 5,778.56 = 2,419.23 : x
  2. Step 2: Convert to fraction form
    4,186.61/5,778.56 = 2,419.23/x
  3. Step 3: Cross multiply
    4,186.61x = 5,778.56 × 2,419.23
  4. Step 4: Simplify right side
    4,186.61x = 13,979,653.61
  5. Step 5: Solve for x
    x = 13,979,653.61/4,186.61
  6. Step 6: Final answer
    x = 3,339.14

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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.