Home / 2,636.09-3,637.79-1,517.01

Finding the Fourth Proportional to 2,636.09, 3,637.79 and 1,517.01

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Solution

The fourth proportional to 2,636.09, 3,637.79 and 1,517.01 is: 2,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.09 : 3,637.79 = 1,517.01 : x
  2. Step 2: Convert to fraction form
    2,636.09/3,637.79 = 1,517.01/x
  3. Step 3: Cross multiply
    2,636.09x = 3,637.79 × 1,517.01
  4. Step 4: Simplify right side
    2,636.09x = 5,518,561.91
  5. Step 5: Solve for x
    x = 5,518,561.91/2,636.09
  6. Step 6: Final answer
    x = 2,093.46

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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.