Home / 2,519.85-3,477.41-1,400.91

Finding the Fourth Proportional to 2,519.85, 3,477.41 and 1,400.91

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Solution

The fourth proportional to 2,519.85, 3,477.41 and 1,400.91 is: 1,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.85 : 3,477.41 = 1,400.91 : x
  2. Step 2: Convert to fraction form
    2,519.85/3,477.41 = 1,400.91/x
  3. Step 3: Cross multiply
    2,519.85x = 3,477.41 × 1,400.91
  4. Step 4: Simplify right side
    2,519.85x = 4,871,538.44
  5. Step 5: Solve for x
    x = 4,871,538.44/2,519.85
  6. Step 6: Final answer
    x = 1,933.27

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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.