Home / 3,325.13-4,588.13-2,131.17

Finding the Fourth Proportional to 3,325.13, 4,588.13 and 2,131.17

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Solution

The fourth proportional to 3,325.13, 4,588.13 and 2,131.17 is: 2,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.13 : 4,588.13 = 2,131.17 : x
  2. Step 2: Convert to fraction form
    3,325.13/4,588.13 = 2,131.17/x
  3. Step 3: Cross multiply
    3,325.13x = 4,588.13 × 2,131.17
  4. Step 4: Simplify right side
    3,325.13x = 9,778,079.68
  5. Step 5: Solve for x
    x = 9,778,079.68/3,325.13
  6. Step 6: Final answer
    x = 2,940.66

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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.