Home / 1,933.74-2,896.56-1,110.78

Finding the Fourth Proportional to 1,933.74, 2,896.56 and 1,110.78

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Solution

The fourth proportional to 1,933.74, 2,896.56 and 1,110.78 is: 1,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.74 : 2,896.56 = 1,110.78 : x
  2. Step 2: Convert to fraction form
    1,933.74/2,896.56 = 1,110.78/x
  3. Step 3: Cross multiply
    1,933.74x = 2,896.56 × 1,110.78
  4. Step 4: Simplify right side
    1,933.74x = 3,217,440.92
  5. Step 5: Solve for x
    x = 3,217,440.92/1,933.74
  6. Step 6: Final answer
    x = 1,663.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.