Home / 2,635.53-3,953.95-1,857.05

Finding the Fourth Proportional to 2,635.53, 3,953.95 and 1,857.05

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Solution

The fourth proportional to 2,635.53, 3,953.95 and 1,857.05 is: 2,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.53 : 3,953.95 = 1,857.05 : x
  2. Step 2: Convert to fraction form
    2,635.53/3,953.95 = 1,857.05/x
  3. Step 3: Cross multiply
    2,635.53x = 3,953.95 × 1,857.05
  4. Step 4: Simplify right side
    2,635.53x = 7,342,698.85
  5. Step 5: Solve for x
    x = 7,342,698.85/2,635.53
  6. Step 6: Final answer
    x = 2,786.04

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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.