Home / 2,519.66-3,477.70-1,400.99

Finding the Fourth Proportional to 2,519.66, 3,477.70 and 1,400.99

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Solution

The fourth proportional to 2,519.66, 3,477.70 and 1,400.99 is: 1,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.66 : 3,477.70 = 1,400.99 : x
  2. Step 2: Convert to fraction form
    2,519.66/3,477.70 = 1,400.99/x
  3. Step 3: Cross multiply
    2,519.66x = 3,477.70 × 1,400.99
  4. Step 4: Simplify right side
    2,519.66x = 4,872,215.92
  5. Step 5: Solve for x
    x = 4,872,215.92/2,519.66
  6. Step 6: Final answer
    x = 1,933.68

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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.