Home / 2,919.09-4,028.29-1,592.77

Finding the Fourth Proportional to 2,919.09, 4,028.29 and 1,592.77

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Solution

The fourth proportional to 2,919.09, 4,028.29 and 1,592.77 is: 2,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.09 : 4,028.29 = 1,592.77 : x
  2. Step 2: Convert to fraction form
    2,919.09/4,028.29 = 1,592.77/x
  3. Step 3: Cross multiply
    2,919.09x = 4,028.29 × 1,592.77
  4. Step 4: Simplify right side
    2,919.09x = 6,416,139.46
  5. Step 5: Solve for x
    x = 6,416,139.46/2,919.09
  6. Step 6: Final answer
    x = 2,197.99

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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.