Home / 4,148.21-5,722.71-2,730.07

Finding the Fourth Proportional to 4,148.21, 5,722.71 and 2,730.07

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Solution

The fourth proportional to 4,148.21, 5,722.71 and 2,730.07 is: 3,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.21 : 5,722.71 = 2,730.07 : x
  2. Step 2: Convert to fraction form
    4,148.21/5,722.71 = 2,730.07/x
  3. Step 3: Cross multiply
    4,148.21x = 5,722.71 × 2,730.07
  4. Step 4: Simplify right side
    4,148.21x = 15,623,398.89
  5. Step 5: Solve for x
    x = 15,623,398.89/4,148.21
  6. Step 6: Final answer
    x = 3,766.30

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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.