Home / 3,566.22-4,921.35-1,972.98

Finding the Fourth Proportional to 3,566.22, 4,921.35 and 1,972.98

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Solution

The fourth proportional to 3,566.22, 4,921.35 and 1,972.98 is: 2,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.22 : 4,921.35 = 1,972.98 : x
  2. Step 2: Convert to fraction form
    3,566.22/4,921.35 = 1,972.98/x
  3. Step 3: Cross multiply
    3,566.22x = 4,921.35 × 1,972.98
  4. Step 4: Simplify right side
    3,566.22x = 9,709,725.12
  5. Step 5: Solve for x
    x = 9,709,725.12/3,566.22
  6. Step 6: Final answer
    x = 2,722.69

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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.