Home / 3,465.27-4,782.66-1,972.98

Finding the Fourth Proportional to 3,465.27, 4,782.66 and 1,972.98

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Solution

The fourth proportional to 3,465.27, 4,782.66 and 1,972.98 is: 2,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.27 : 4,782.66 = 1,972.98 : x
  2. Step 2: Convert to fraction form
    3,465.27/4,782.66 = 1,972.98/x
  3. Step 3: Cross multiply
    3,465.27x = 4,782.66 × 1,972.98
  4. Step 4: Simplify right side
    3,465.27x = 9,436,092.53
  5. Step 5: Solve for x
    x = 9,436,092.53/3,465.27
  6. Step 6: Final answer
    x = 2,723.05

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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.