Home / 3,414.37-4,712.01-2,087.70

Finding the Fourth Proportional to 3,414.37, 4,712.01 and 2,087.70

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Solution

The fourth proportional to 3,414.37, 4,712.01 and 2,087.70 is: 2,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.37 : 4,712.01 = 2,087.70 : x
  2. Step 2: Convert to fraction form
    3,414.37/4,712.01 = 2,087.70/x
  3. Step 3: Cross multiply
    3,414.37x = 4,712.01 × 2,087.70
  4. Step 4: Simplify right side
    3,414.37x = 9,837,263.28
  5. Step 5: Solve for x
    x = 9,837,263.28/3,414.37
  6. Step 6: Final answer
    x = 2,881.14

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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.