Home / 2,862.69-3,950.58-1,743.68

Finding the Fourth Proportional to 2,862.69, 3,950.58 and 1,743.68

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Solution

The fourth proportional to 2,862.69, 3,950.58 and 1,743.68 is: 2,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.69 : 3,950.58 = 1,743.68 : x
  2. Step 2: Convert to fraction form
    2,862.69/3,950.58 = 1,743.68/x
  3. Step 3: Cross multiply
    2,862.69x = 3,950.58 × 1,743.68
  4. Step 4: Simplify right side
    2,862.69x = 6,888,527.58
  5. Step 5: Solve for x
    x = 6,888,527.58/2,862.69
  6. Step 6: Final answer
    x = 2,406.31

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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.