Home / 2,969.16-4,422.37-2,813.03

Finding the Fourth Proportional to 2,969.16, 4,422.37 and 2,813.03

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Solution

The fourth proportional to 2,969.16, 4,422.37 and 2,813.03 is: 4,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.16 : 4,422.37 = 2,813.03 : x
  2. Step 2: Convert to fraction form
    2,969.16/4,422.37 = 2,813.03/x
  3. Step 3: Cross multiply
    2,969.16x = 4,422.37 × 2,813.03
  4. Step 4: Simplify right side
    2,969.16x = 12,440,260.11
  5. Step 5: Solve for x
    x = 12,440,260.11/2,969.16
  6. Step 6: Final answer
    x = 4,189.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.