Home / 2,651.07-3,657.90-1,800.66

Finding the Fourth Proportional to 2,651.07, 3,657.90 and 1,800.66

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Solution

The fourth proportional to 2,651.07, 3,657.90 and 1,800.66 is: 2,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.07 : 3,657.90 = 1,800.66 : x
  2. Step 2: Convert to fraction form
    2,651.07/3,657.90 = 1,800.66/x
  3. Step 3: Cross multiply
    2,651.07x = 3,657.90 × 1,800.66
  4. Step 4: Simplify right side
    2,651.07x = 6,586,634.21
  5. Step 5: Solve for x
    x = 6,586,634.21/2,651.07
  6. Step 6: Final answer
    x = 2,484.52

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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.