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Finding the Fourth Proportional to 2,726.64, 4,088.16 and 2,238.48

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Solution

The fourth proportional to 2,726.64, 4,088.16 and 2,238.48 is: 3,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.64 : 4,088.16 = 2,238.48 : x
  2. Step 2: Convert to fraction form
    2,726.64/4,088.16 = 2,238.48/x
  3. Step 3: Cross multiply
    2,726.64x = 4,088.16 × 2,238.48
  4. Step 4: Simplify right side
    2,726.64x = 9,151,264.40
  5. Step 5: Solve for x
    x = 9,151,264.40/2,726.64
  6. Step 6: Final answer
    x = 3,356.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.