Home / 5,970.69-8,240.22-3,612.78

Finding the Fourth Proportional to 5,970.69, 8,240.22 and 3,612.78

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Solution

The fourth proportional to 5,970.69, 8,240.22 and 3,612.78 is: 4,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.69 : 8,240.22 = 3,612.78 : x
  2. Step 2: Convert to fraction form
    5,970.69/8,240.22 = 3,612.78/x
  3. Step 3: Cross multiply
    5,970.69x = 8,240.22 × 3,612.78
  4. Step 4: Simplify right side
    5,970.69x = 29,770,102.01
  5. Step 5: Solve for x
    x = 29,770,102.01/5,970.69
  6. Step 6: Final answer
    x = 4,986.04

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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.