Home / 2,637.18-3,636.90-2,264.04

Finding the Fourth Proportional to 2,637.18, 3,636.90 and 2,264.04

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Solution

The fourth proportional to 2,637.18, 3,636.90 and 2,264.04 is: 3,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.18 : 3,636.90 = 2,264.04 : x
  2. Step 2: Convert to fraction form
    2,637.18/3,636.90 = 2,264.04/x
  3. Step 3: Cross multiply
    2,637.18x = 3,636.90 × 2,264.04
  4. Step 4: Simplify right side
    2,637.18x = 8,234,087.08
  5. Step 5: Solve for x
    x = 8,234,087.08/2,637.18
  6. Step 6: Final answer
    x = 3,122.31

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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.