Home / 3,058.23-4,219.64-2,173.71

Finding the Fourth Proportional to 3,058.23, 4,219.64 and 2,173.71

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Solution

The fourth proportional to 3,058.23, 4,219.64 and 2,173.71 is: 2,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.23 : 4,219.64 = 2,173.71 : x
  2. Step 2: Convert to fraction form
    3,058.23/4,219.64 = 2,173.71/x
  3. Step 3: Cross multiply
    3,058.23x = 4,219.64 × 2,173.71
  4. Step 4: Simplify right side
    3,058.23x = 9,172,262.80
  5. Step 5: Solve for x
    x = 9,172,262.80/3,058.23
  6. Step 6: Final answer
    x = 2,999.21

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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.