Home / 2,935.19-4,402.79-2,195.57

Finding the Fourth Proportional to 2,935.19, 4,402.79 and 2,195.57

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Solution

The fourth proportional to 2,935.19, 4,402.79 and 2,195.57 is: 3,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.19 : 4,402.79 = 2,195.57 : x
  2. Step 2: Convert to fraction form
    2,935.19/4,402.79 = 2,195.57/x
  3. Step 3: Cross multiply
    2,935.19x = 4,402.79 × 2,195.57
  4. Step 4: Simplify right side
    2,935.19x = 9,666,633.64
  5. Step 5: Solve for x
    x = 9,666,633.64/2,935.19
  6. Step 6: Final answer
    x = 3,293.36

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1.5x scale

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.