Home / 5,539.71-7,644.67-3,021.88

Finding the Fourth Proportional to 5,539.71, 7,644.67 and 3,021.88

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Solution

The fourth proportional to 5,539.71, 7,644.67 and 3,021.88 is: 4,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.71 : 7,644.67 = 3,021.88 : x
  2. Step 2: Convert to fraction form
    5,539.71/7,644.67 = 3,021.88/x
  3. Step 3: Cross multiply
    5,539.71x = 7,644.67 × 3,021.88
  4. Step 4: Simplify right side
    5,539.71x = 23,101,271.71
  5. Step 5: Solve for x
    x = 23,101,271.71/5,539.71
  6. Step 6: Final answer
    x = 4,170.12

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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.