Home / 2,936.17-4,051.78-1,609.93

Finding the Fourth Proportional to 2,936.17, 4,051.78 and 1,609.93

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Solution

The fourth proportional to 2,936.17, 4,051.78 and 1,609.93 is: 2,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.17 : 4,051.78 = 1,609.93 : x
  2. Step 2: Convert to fraction form
    2,936.17/4,051.78 = 1,609.93/x
  3. Step 3: Cross multiply
    2,936.17x = 4,051.78 × 1,609.93
  4. Step 4: Simplify right side
    2,936.17x = 6,523,082.18
  5. Step 5: Solve for x
    x = 6,523,082.18/2,936.17
  6. Step 6: Final answer
    x = 2,221.63

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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.