Home / 3,615.84-4,991.22-2,436.48

Finding the Fourth Proportional to 3,615.84, 4,991.22 and 2,436.48

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Solution

The fourth proportional to 3,615.84, 4,991.22 and 2,436.48 is: 3,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.84 : 4,991.22 = 2,436.48 : x
  2. Step 2: Convert to fraction form
    3,615.84/4,991.22 = 2,436.48/x
  3. Step 3: Cross multiply
    3,615.84x = 4,991.22 × 2,436.48
  4. Step 4: Simplify right side
    3,615.84x = 12,161,007.71
  5. Step 5: Solve for x
    x = 12,161,007.71/3,615.84
  6. Step 6: Final answer
    x = 3,363.26

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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.