Home / 5,193.16-7,167.78-2,956.36

Finding the Fourth Proportional to 5,193.16, 7,167.78 and 2,956.36

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Solution

The fourth proportional to 5,193.16, 7,167.78 and 2,956.36 is: 4,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.16 : 7,167.78 = 2,956.36 : x
  2. Step 2: Convert to fraction form
    5,193.16/7,167.78 = 2,956.36/x
  3. Step 3: Cross multiply
    5,193.16x = 7,167.78 × 2,956.36
  4. Step 4: Simplify right side
    5,193.16x = 21,190,538.08
  5. Step 5: Solve for x
    x = 21,190,538.08/5,193.16
  6. Step 6: Final answer
    x = 4,080.47

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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.