Home / 3,186.00-4,398.95-2,557.12

Finding the Fourth Proportional to 3,186.00, 4,398.95 and 2,557.12

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Solution

The fourth proportional to 3,186.00, 4,398.95 and 2,557.12 is: 3,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.00 : 4,398.95 = 2,557.12 : x
  2. Step 2: Convert to fraction form
    3,186.00/4,398.95 = 2,557.12/x
  3. Step 3: Cross multiply
    3,186.00x = 4,398.95 × 2,557.12
  4. Step 4: Simplify right side
    3,186.00x = 11,248,628.69
  5. Step 5: Solve for x
    x = 11,248,628.69/3,186.00
  6. Step 6: Final answer
    x = 3,530.65

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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.