Home / 2,927.14-4,392.56-2,135.02

Finding the Fourth Proportional to 2,927.14, 4,392.56 and 2,135.02

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Solution

The fourth proportional to 2,927.14, 4,392.56 and 2,135.02 is: 3,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.14 : 4,392.56 = 2,135.02 : x
  2. Step 2: Convert to fraction form
    2,927.14/4,392.56 = 2,135.02/x
  3. Step 3: Cross multiply
    2,927.14x = 4,392.56 × 2,135.02
  4. Step 4: Simplify right side
    2,927.14x = 9,378,197.81
  5. Step 5: Solve for x
    x = 9,378,197.81/2,927.14
  6. Step 6: Final answer
    x = 3,203.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.