Home / 4,921.13-7,380.10-1,633.34

Finding the Fourth Proportional to 4,921.13, 7,380.10 and 1,633.34

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Solution

The fourth proportional to 4,921.13, 7,380.10 and 1,633.34 is: 2,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.13 : 7,380.10 = 1,633.34 : x
  2. Step 2: Convert to fraction form
    4,921.13/7,380.10 = 1,633.34/x
  3. Step 3: Cross multiply
    4,921.13x = 7,380.10 × 1,633.34
  4. Step 4: Simplify right side
    4,921.13x = 12,054,212.53
  5. Step 5: Solve for x
    x = 12,054,212.53/4,921.13
  6. Step 6: Final answer
    x = 2,449.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.