Home / 2,801.99-4,199.14-1,416.25

Finding the Fourth Proportional to 2,801.99, 4,199.14 and 1,416.25

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Solution

The fourth proportional to 2,801.99, 4,199.14 and 1,416.25 is: 2,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.99 : 4,199.14 = 1,416.25 : x
  2. Step 2: Convert to fraction form
    2,801.99/4,199.14 = 1,416.25/x
  3. Step 3: Cross multiply
    2,801.99x = 4,199.14 × 1,416.25
  4. Step 4: Simplify right side
    2,801.99x = 5,947,039.04
  5. Step 5: Solve for x
    x = 5,947,039.04/2,801.99
  6. Step 6: Final answer
    x = 2,122.43

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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.