Home / 5,491.86-8,240.24-2,572.62

Finding the Fourth Proportional to 5,491.86, 8,240.24 and 2,572.62

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Solution

The fourth proportional to 5,491.86, 8,240.24 and 2,572.62 is: 3,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.86 : 8,240.24 = 2,572.62 : x
  2. Step 2: Convert to fraction form
    5,491.86/8,240.24 = 2,572.62/x
  3. Step 3: Cross multiply
    5,491.86x = 8,240.24 × 2,572.62
  4. Step 4: Simplify right side
    5,491.86x = 21,199,006.23
  5. Step 5: Solve for x
    x = 21,199,006.23/5,491.86
  6. Step 6: Final answer
    x = 3,860.08

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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.