Home / 3,395.52-4,685.64-2,136.84

Finding the Fourth Proportional to 3,395.52, 4,685.64 and 2,136.84

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Solution

The fourth proportional to 3,395.52, 4,685.64 and 2,136.84 is: 2,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.52 : 4,685.64 = 2,136.84 : x
  2. Step 2: Convert to fraction form
    3,395.52/4,685.64 = 2,136.84/x
  3. Step 3: Cross multiply
    3,395.52x = 4,685.64 × 2,136.84
  4. Step 4: Simplify right side
    3,395.52x = 10,012,462.98
  5. Step 5: Solve for x
    x = 10,012,462.98/3,395.52
  6. Step 6: Final answer
    x = 2,948.73

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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.