Home / 3,881.44-5,347.28-2,700.48

Finding the Fourth Proportional to 3,881.44, 5,347.28 and 2,700.48

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Solution

The fourth proportional to 3,881.44, 5,347.28 and 2,700.48 is: 3,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.44 : 5,347.28 = 2,700.48 : x
  2. Step 2: Convert to fraction form
    3,881.44/5,347.28 = 2,700.48/x
  3. Step 3: Cross multiply
    3,881.44x = 5,347.28 × 2,700.48
  4. Step 4: Simplify right side
    3,881.44x = 14,440,222.69
  5. Step 5: Solve for x
    x = 14,440,222.69/3,881.44
  6. Step 6: Final answer
    x = 3,720.33

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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.