Home / 4,088.66-5,645.04-2,765.42

Finding the Fourth Proportional to 4,088.66, 5,645.04 and 2,765.42

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Solution

The fourth proportional to 4,088.66, 5,645.04 and 2,765.42 is: 3,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.66 : 5,645.04 = 2,765.42 : x
  2. Step 2: Convert to fraction form
    4,088.66/5,645.04 = 2,765.42/x
  3. Step 3: Cross multiply
    4,088.66x = 5,645.04 × 2,765.42
  4. Step 4: Simplify right side
    4,088.66x = 15,610,906.52
  5. Step 5: Solve for x
    x = 15,610,906.52/4,088.66
  6. Step 6: Final answer
    x = 3,818.10

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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.