Home / 3,395.96-4,651.30-3,196.70

Finding the Fourth Proportional to 3,395.96, 4,651.30 and 3,196.70

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Solution

The fourth proportional to 3,395.96, 4,651.30 and 3,196.70 is: 4,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.96 : 4,651.30 = 3,196.70 : x
  2. Step 2: Convert to fraction form
    3,395.96/4,651.30 = 3,196.70/x
  3. Step 3: Cross multiply
    3,395.96x = 4,651.30 × 3,196.70
  4. Step 4: Simplify right side
    3,395.96x = 14,868,810.71
  5. Step 5: Solve for x
    x = 14,868,810.71/3,395.96
  6. Step 6: Final answer
    x = 4,378.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.