Home / 5,531.68-7,633.47-3,173.77

Finding the Fourth Proportional to 5,531.68, 7,633.47 and 3,173.77

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Solution

The fourth proportional to 5,531.68, 7,633.47 and 3,173.77 is: 4,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.68 : 7,633.47 = 3,173.77 : x
  2. Step 2: Convert to fraction form
    5,531.68/7,633.47 = 3,173.77/x
  3. Step 3: Cross multiply
    5,531.68x = 7,633.47 × 3,173.77
  4. Step 4: Simplify right side
    5,531.68x = 24,226,839.91
  5. Step 5: Solve for x
    x = 24,226,839.91/5,531.68
  6. Step 6: Final answer
    x = 4,379.66

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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.