Home / 5,531.13-7,632.90-3,173.64

Finding the Fourth Proportional to 5,531.13, 7,632.90 and 3,173.64

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Solution

The fourth proportional to 5,531.13, 7,632.90 and 3,173.64 is: 4,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.13 : 7,632.90 = 3,173.64 : x
  2. Step 2: Convert to fraction form
    5,531.13/7,632.90 = 3,173.64/x
  3. Step 3: Cross multiply
    5,531.13x = 7,632.90 × 3,173.64
  4. Step 4: Simplify right side
    5,531.13x = 24,224,076.76
  5. Step 5: Solve for x
    x = 24,224,076.76/5,531.13
  6. Step 6: Final answer
    x = 4,379.59

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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.