Home / 5,191.24-7,164.54-2,953.66

Finding the Fourth Proportional to 5,191.24, 7,164.54 and 2,953.66

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Solution

The fourth proportional to 5,191.24, 7,164.54 and 2,953.66 is: 4,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.24 : 7,164.54 = 2,953.66 : x
  2. Step 2: Convert to fraction form
    5,191.24/7,164.54 = 2,953.66/x
  3. Step 3: Cross multiply
    5,191.24x = 7,164.54 × 2,953.66
  4. Step 4: Simplify right side
    5,191.24x = 21,161,615.22
  5. Step 5: Solve for x
    x = 21,161,615.22/5,191.24
  6. Step 6: Final answer
    x = 4,076.41

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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.