Home / 5,668.72-7,820.64-4,180.18

Finding the Fourth Proportional to 5,668.72, 7,820.64 and 4,180.18

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Solution

The fourth proportional to 5,668.72, 7,820.64 and 4,180.18 is: 5,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.72 : 7,820.64 = 4,180.18 : x
  2. Step 2: Convert to fraction form
    5,668.72/7,820.64 = 4,180.18/x
  3. Step 3: Cross multiply
    5,668.72x = 7,820.64 × 4,180.18
  4. Step 4: Simplify right side
    5,668.72x = 32,691,682.92
  5. Step 5: Solve for x
    x = 32,691,682.92/5,668.72
  6. Step 6: Final answer
    x = 5,767.03

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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.