Home / 3,933.57-5,901.21-1,853.58

Finding the Fourth Proportional to 3,933.57, 5,901.21 and 1,853.58

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Solution

The fourth proportional to 3,933.57, 5,901.21 and 1,853.58 is: 2,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.57 : 5,901.21 = 1,853.58 : x
  2. Step 2: Convert to fraction form
    3,933.57/5,901.21 = 1,853.58/x
  3. Step 3: Cross multiply
    3,933.57x = 5,901.21 × 1,853.58
  4. Step 4: Simplify right side
    3,933.57x = 10,938,364.83
  5. Step 5: Solve for x
    x = 10,938,364.83/3,933.57
  6. Step 6: Final answer
    x = 2,780.77

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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.