Home / 5,669.63-7,824.57-3,186.11

Finding the Fourth Proportional to 5,669.63, 7,824.57 and 3,186.11

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Solution

The fourth proportional to 5,669.63, 7,824.57 and 3,186.11 is: 4,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.63 : 7,824.57 = 3,186.11 : x
  2. Step 2: Convert to fraction form
    5,669.63/7,824.57 = 3,186.11/x
  3. Step 3: Cross multiply
    5,669.63x = 7,824.57 × 3,186.11
  4. Step 4: Simplify right side
    5,669.63x = 24,929,940.72
  5. Step 5: Solve for x
    x = 24,929,940.72/5,669.63
  6. Step 6: Final answer
    x = 4,397.10

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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.