Home / 3,300.62-4,553.20-1,973.98

Finding the Fourth Proportional to 3,300.62, 4,553.20 and 1,973.98

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Solution

The fourth proportional to 3,300.62, 4,553.20 and 1,973.98 is: 2,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.62 : 4,553.20 = 1,973.98 : x
  2. Step 2: Convert to fraction form
    3,300.62/4,553.20 = 1,973.98/x
  3. Step 3: Cross multiply
    3,300.62x = 4,553.20 × 1,973.98
  4. Step 4: Simplify right side
    3,300.62x = 8,987,925.74
  5. Step 5: Solve for x
    x = 8,987,925.74/3,300.62
  6. Step 6: Final answer
    x = 2,723.10

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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.