Home / 2,519.94-3,477.36-1,400.81

Finding the Fourth Proportional to 2,519.94, 3,477.36 and 1,400.81

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Solution

The fourth proportional to 2,519.94, 3,477.36 and 1,400.81 is: 1,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.94 : 3,477.36 = 1,400.81 : x
  2. Step 2: Convert to fraction form
    2,519.94/3,477.36 = 1,400.81/x
  3. Step 3: Cross multiply
    2,519.94x = 3,477.36 × 1,400.81
  4. Step 4: Simplify right side
    2,519.94x = 4,871,120.66
  5. Step 5: Solve for x
    x = 4,871,120.66/2,519.94
  6. Step 6: Final answer
    x = 1,933.03

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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.