Home / 3,036.13-4,187.67-2,141.71

Finding the Fourth Proportional to 3,036.13, 4,187.67 and 2,141.71

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Solution

The fourth proportional to 3,036.13, 4,187.67 and 2,141.71 is: 2,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.13 : 4,187.67 = 2,141.71 : x
  2. Step 2: Convert to fraction form
    3,036.13/4,187.67 = 2,141.71/x
  3. Step 3: Cross multiply
    3,036.13x = 4,187.67 × 2,141.71
  4. Step 4: Simplify right side
    3,036.13x = 8,968,774.72
  5. Step 5: Solve for x
    x = 8,968,774.72/3,036.13
  6. Step 6: Final answer
    x = 2,954.02

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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.