Home / 2,519.96-3,477-1,400.66

Finding the Fourth Proportional to 2,519.96, 3,477 and 1,400.66

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Solution

The fourth proportional to 2,519.96, 3,477 and 1,400.66 is: 1,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.96 : 3,477 = 1,400.66 : x
  2. Step 2: Convert to fraction form
    2,519.96/3,477 = 1,400.66/x
  3. Step 3: Cross multiply
    2,519.96x = 3,477 × 1,400.66
  4. Step 4: Simplify right side
    2,519.96x = 4,870,094.82
  5. Step 5: Solve for x
    x = 4,870,094.82/2,519.96
  6. Step 6: Final answer
    x = 1,932.61

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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.