Home / 5,218.74-7,199.82-4,555.62

Finding the Fourth Proportional to 5,218.74, 7,199.82 and 4,555.62

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Solution

The fourth proportional to 5,218.74, 7,199.82 and 4,555.62 is: 6,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.74 : 7,199.82 = 4,555.62 : x
  2. Step 2: Convert to fraction form
    5,218.74/7,199.82 = 4,555.62/x
  3. Step 3: Cross multiply
    5,218.74x = 7,199.82 × 4,555.62
  4. Step 4: Simplify right side
    5,218.74x = 32,799,643.99
  5. Step 5: Solve for x
    x = 32,799,643.99/5,218.74
  6. Step 6: Final answer
    x = 6,284.97

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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.