Home / 2,295.11-3,167.12-1,247.16

Finding the Fourth Proportional to 2,295.11, 3,167.12 and 1,247.16

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Solution

The fourth proportional to 2,295.11, 3,167.12 and 1,247.16 is: 1,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.11 : 3,167.12 = 1,247.16 : x
  2. Step 2: Convert to fraction form
    2,295.11/3,167.12 = 1,247.16/x
  3. Step 3: Cross multiply
    2,295.11x = 3,167.12 × 1,247.16
  4. Step 4: Simplify right side
    2,295.11x = 3,949,899.14
  5. Step 5: Solve for x
    x = 3,949,899.14/2,295.11
  6. Step 6: Final answer
    x = 1,721.01

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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.