Home / 3,298.41-4,551.63-1,972.23

Finding the Fourth Proportional to 3,298.41, 4,551.63 and 1,972.23

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Solution

The fourth proportional to 3,298.41, 4,551.63 and 1,972.23 is: 2,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.41 : 4,551.63 = 1,972.23 : x
  2. Step 2: Convert to fraction form
    3,298.41/4,551.63 = 1,972.23/x
  3. Step 3: Cross multiply
    3,298.41x = 4,551.63 × 1,972.23
  4. Step 4: Simplify right side
    3,298.41x = 8,976,861.23
  5. Step 5: Solve for x
    x = 8,976,861.23/3,298.41
  6. Step 6: Final answer
    x = 2,721.57

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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.