Home / 2,476.85-3,418.11-1,357.83

Finding the Fourth Proportional to 2,476.85, 3,418.11 and 1,357.83

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Solution

The fourth proportional to 2,476.85, 3,418.11 and 1,357.83 is: 1,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.85 : 3,418.11 = 1,357.83 : x
  2. Step 2: Convert to fraction form
    2,476.85/3,418.11 = 1,357.83/x
  3. Step 3: Cross multiply
    2,476.85x = 3,418.11 × 1,357.83
  4. Step 4: Simplify right side
    2,476.85x = 4,641,212.30
  5. Step 5: Solve for x
    x = 4,641,212.30/2,476.85
  6. Step 6: Final answer
    x = 1,873.84

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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.