Home / 1,892.45-2,611.66-1,053.15

Finding the Fourth Proportional to 1,892.45, 2,611.66 and 1,053.15

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Solution

The fourth proportional to 1,892.45, 2,611.66 and 1,053.15 is: 1,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.45 : 2,611.66 = 1,053.15 : x
  2. Step 2: Convert to fraction form
    1,892.45/2,611.66 = 1,053.15/x
  3. Step 3: Cross multiply
    1,892.45x = 2,611.66 × 1,053.15
  4. Step 4: Simplify right side
    1,892.45x = 2,750,469.73
  5. Step 5: Solve for x
    x = 2,750,469.73/1,892.45
  6. Step 6: Final answer
    x = 1,453.39

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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.