Home / 4,191.58-5,784.51-3,141.82

Finding the Fourth Proportional to 4,191.58, 5,784.51 and 3,141.82

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Solution

The fourth proportional to 4,191.58, 5,784.51 and 3,141.82 is: 4,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.58 : 5,784.51 = 3,141.82 : x
  2. Step 2: Convert to fraction form
    4,191.58/5,784.51 = 3,141.82/x
  3. Step 3: Cross multiply
    4,191.58x = 5,784.51 × 3,141.82
  4. Step 4: Simplify right side
    4,191.58x = 18,173,889.21
  5. Step 5: Solve for x
    x = 18,173,889.21/4,191.58
  6. Step 6: Final answer
    x = 4,335.81

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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.