Home / 5,989.24-8,266.98-4,220.20

Finding the Fourth Proportional to 5,989.24, 8,266.98 and 4,220.20

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Solution

The fourth proportional to 5,989.24, 8,266.98 and 4,220.20 is: 5,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.24 : 8,266.98 = 4,220.20 : x
  2. Step 2: Convert to fraction form
    5,989.24/8,266.98 = 4,220.20/x
  3. Step 3: Cross multiply
    5,989.24x = 8,266.98 × 4,220.20
  4. Step 4: Simplify right side
    5,989.24x = 34,888,309.00
  5. Step 5: Solve for x
    x = 34,888,309.00/5,989.24
  6. Step 6: Final answer
    x = 5,825.16

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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.