Home / 2,209.94-3,050.21-1,730.45

Finding the Fourth Proportional to 2,209.94, 3,050.21 and 1,730.45

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Solution

The fourth proportional to 2,209.94, 3,050.21 and 1,730.45 is: 2,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.94 : 3,050.21 = 1,730.45 : x
  2. Step 2: Convert to fraction form
    2,209.94/3,050.21 = 1,730.45/x
  3. Step 3: Cross multiply
    2,209.94x = 3,050.21 × 1,730.45
  4. Step 4: Simplify right side
    2,209.94x = 5,278,224.97
  5. Step 5: Solve for x
    x = 5,278,224.97/2,209.94
  6. Step 6: Final answer
    x = 2,388.40

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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.