Home / 5,340.14-7,367.10-3,100.40

Finding the Fourth Proportional to 5,340.14, 7,367.10 and 3,100.40

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Solution

The fourth proportional to 5,340.14, 7,367.10 and 3,100.40 is: 4,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.14 : 7,367.10 = 3,100.40 : x
  2. Step 2: Convert to fraction form
    5,340.14/7,367.10 = 3,100.40/x
  3. Step 3: Cross multiply
    5,340.14x = 7,367.10 × 3,100.40
  4. Step 4: Simplify right side
    5,340.14x = 22,840,956.84
  5. Step 5: Solve for x
    x = 22,840,956.84/5,340.14
  6. Step 6: Final answer
    x = 4,277.22

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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.