Home / 3,950.87-5,451.35-2,357.09

Finding the Fourth Proportional to 3,950.87, 5,451.35 and 2,357.09

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Solution

The fourth proportional to 3,950.87, 5,451.35 and 2,357.09 is: 3,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.87 : 5,451.35 = 2,357.09 : x
  2. Step 2: Convert to fraction form
    3,950.87/5,451.35 = 2,357.09/x
  3. Step 3: Cross multiply
    3,950.87x = 5,451.35 × 2,357.09
  4. Step 4: Simplify right side
    3,950.87x = 12,849,283.53
  5. Step 5: Solve for x
    x = 12,849,283.53/3,950.87
  6. Step 6: Final answer
    x = 3,252.27

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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.