Home / 5,555.72-7,668.20-3,199.24

Finding the Fourth Proportional to 5,555.72, 7,668.20 and 3,199.24

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Solution

The fourth proportional to 5,555.72, 7,668.20 and 3,199.24 is: 4,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.72 : 7,668.20 = 3,199.24 : x
  2. Step 2: Convert to fraction form
    5,555.72/7,668.20 = 3,199.24/x
  3. Step 3: Cross multiply
    5,555.72x = 7,668.20 × 3,199.24
  4. Step 4: Simplify right side
    5,555.72x = 24,532,412.17
  5. Step 5: Solve for x
    x = 24,532,412.17/5,555.72
  6. Step 6: Final answer
    x = 4,415.70

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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.