Home / 3,803.90-5,705.78-1,953.93

Finding the Fourth Proportional to 3,803.90, 5,705.78 and 1,953.93

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Solution

The fourth proportional to 3,803.90, 5,705.78 and 1,953.93 is: 2,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.90 : 5,705.78 = 1,953.93 : x
  2. Step 2: Convert to fraction form
    3,803.90/5,705.78 = 1,953.93/x
  3. Step 3: Cross multiply
    3,803.90x = 5,705.78 × 1,953.93
  4. Step 4: Simplify right side
    3,803.90x = 11,148,694.72
  5. Step 5: Solve for x
    x = 11,148,694.72/3,803.90
  6. Step 6: Final answer
    x = 2,930.86

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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.