Home / 3,299.36-4,552.80-1,973.12

Finding the Fourth Proportional to 3,299.36, 4,552.80 and 1,973.12

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Solution

The fourth proportional to 3,299.36, 4,552.80 and 1,973.12 is: 2,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.36 : 4,552.80 = 1,973.12 : x
  2. Step 2: Convert to fraction form
    3,299.36/4,552.80 = 1,973.12/x
  3. Step 3: Cross multiply
    3,299.36x = 4,552.80 × 1,973.12
  4. Step 4: Simplify right side
    3,299.36x = 8,983,220.74
  5. Step 5: Solve for x
    x = 8,983,220.74/3,299.36
  6. Step 6: Final answer
    x = 2,722.72

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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.