Home / 2,440.92-3,366.78-2,070.36

Finding the Fourth Proportional to 2,440.92, 3,366.78 and 2,070.36

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Solution

The fourth proportional to 2,440.92, 3,366.78 and 2,070.36 is: 2,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.92 : 3,366.78 = 2,070.36 : x
  2. Step 2: Convert to fraction form
    2,440.92/3,366.78 = 2,070.36/x
  3. Step 3: Cross multiply
    2,440.92x = 3,366.78 × 2,070.36
  4. Step 4: Simplify right side
    2,440.92x = 6,970,446.64
  5. Step 5: Solve for x
    x = 6,970,446.64/2,440.92
  6. Step 6: Final answer
    x = 2,855.66

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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.