Home / 5,451.81-7,524.95-3,357.69

Finding the Fourth Proportional to 5,451.81, 7,524.95 and 3,357.69

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Solution

The fourth proportional to 5,451.81, 7,524.95 and 3,357.69 is: 4,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.81 : 7,524.95 = 3,357.69 : x
  2. Step 2: Convert to fraction form
    5,451.81/7,524.95 = 3,357.69/x
  3. Step 3: Cross multiply
    5,451.81x = 7,524.95 × 3,357.69
  4. Step 4: Simplify right side
    5,451.81x = 25,266,449.37
  5. Step 5: Solve for x
    x = 25,266,449.37/5,451.81
  6. Step 6: Final answer
    x = 4,634.51

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Half scale
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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.