Home / 5,721.48-8,582.20-3,759.49

Finding the Fourth Proportional to 5,721.48, 8,582.20 and 3,759.49

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Solution

The fourth proportional to 5,721.48, 8,582.20 and 3,759.49 is: 5,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.48 : 8,582.20 = 3,759.49 : x
  2. Step 2: Convert to fraction form
    5,721.48/8,582.20 = 3,759.49/x
  3. Step 3: Cross multiply
    5,721.48x = 8,582.20 × 3,759.49
  4. Step 4: Simplify right side
    5,721.48x = 32,264,695.08
  5. Step 5: Solve for x
    x = 32,264,695.08/5,721.48
  6. Step 6: Final answer
    x = 5,639.22

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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.