Home / 2,110.44-2,911.80-1,666.92

Finding the Fourth Proportional to 2,110.44, 2,911.80 and 1,666.92

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Solution

The fourth proportional to 2,110.44, 2,911.80 and 1,666.92 is: 2,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.44 : 2,911.80 = 1,666.92 : x
  2. Step 2: Convert to fraction form
    2,110.44/2,911.80 = 1,666.92/x
  3. Step 3: Cross multiply
    2,110.44x = 2,911.80 × 1,666.92
  4. Step 4: Simplify right side
    2,110.44x = 4,853,737.66
  5. Step 5: Solve for x
    x = 4,853,737.66/2,110.44
  6. Step 6: Final answer
    x = 2,299.87

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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.