Home / 2,143.22-2,954.67-2,096.65

Finding the Fourth Proportional to 2,143.22, 2,954.67 and 2,096.65

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Solution

The fourth proportional to 2,143.22, 2,954.67 and 2,096.65 is: 2,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.22 : 2,954.67 = 2,096.65 : x
  2. Step 2: Convert to fraction form
    2,143.22/2,954.67 = 2,096.65/x
  3. Step 3: Cross multiply
    2,143.22x = 2,954.67 × 2,096.65
  4. Step 4: Simplify right side
    2,143.22x = 6,194,894.08
  5. Step 5: Solve for x
    x = 6,194,894.08/2,143.22
  6. Step 6: Final answer
    x = 2,890.46

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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.