Home / 2,651.99-3,659.85-1,814.45

Finding the Fourth Proportional to 2,651.99, 3,659.85 and 1,814.45

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Solution

The fourth proportional to 2,651.99, 3,659.85 and 1,814.45 is: 2,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.99 : 3,659.85 = 1,814.45 : x
  2. Step 2: Convert to fraction form
    2,651.99/3,659.85 = 1,814.45/x
  3. Step 3: Cross multiply
    2,651.99x = 3,659.85 × 1,814.45
  4. Step 4: Simplify right side
    2,651.99x = 6,640,614.83
  5. Step 5: Solve for x
    x = 6,640,614.83/2,651.99
  6. Step 6: Final answer
    x = 2,504.01

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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.