Home / 2,195.34-3,020.13-2,133.83

Finding the Fourth Proportional to 2,195.34, 3,020.13 and 2,133.83

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Solution

The fourth proportional to 2,195.34, 3,020.13 and 2,133.83 is: 2,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.34 : 3,020.13 = 2,133.83 : x
  2. Step 2: Convert to fraction form
    2,195.34/3,020.13 = 2,133.83/x
  3. Step 3: Cross multiply
    2,195.34x = 3,020.13 × 2,133.83
  4. Step 4: Simplify right side
    2,195.34x = 6,444,428.90
  5. Step 5: Solve for x
    x = 6,444,428.90/2,195.34
  6. Step 6: Final answer
    x = 2,935.50

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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.