Home / 6,142.14-9,211.65-1,758.42

Finding the Fourth Proportional to 6,142.14, 9,211.65 and 1,758.42

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Solution

The fourth proportional to 6,142.14, 9,211.65 and 1,758.42 is: 2,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.14 : 9,211.65 = 1,758.42 : x
  2. Step 2: Convert to fraction form
    6,142.14/9,211.65 = 1,758.42/x
  3. Step 3: Cross multiply
    6,142.14x = 9,211.65 × 1,758.42
  4. Step 4: Simplify right side
    6,142.14x = 16,197,949.59
  5. Step 5: Solve for x
    x = 16,197,949.59/6,142.14
  6. Step 6: Final answer
    x = 2,637.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.