Home / 3,231.61-4,461.32-2,174.93

Finding the Fourth Proportional to 3,231.61, 4,461.32 and 2,174.93

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Solution

The fourth proportional to 3,231.61, 4,461.32 and 2,174.93 is: 3,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.61 : 4,461.32 = 2,174.93 : x
  2. Step 2: Convert to fraction form
    3,231.61/4,461.32 = 2,174.93/x
  3. Step 3: Cross multiply
    3,231.61x = 4,461.32 × 2,174.93
  4. Step 4: Simplify right side
    3,231.61x = 9,703,058.99
  5. Step 5: Solve for x
    x = 9,703,058.99/3,231.61
  6. Step 6: Final answer
    x = 3,002.55

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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.