Home / 4,062.78-5,602.88-2,801.81

Finding the Fourth Proportional to 4,062.78, 5,602.88 and 2,801.81

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Solution

The fourth proportional to 4,062.78, 5,602.88 and 2,801.81 is: 3,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062.78 : 5,602.88 = 2,801.81 : x
  2. Step 2: Convert to fraction form
    4,062.78/5,602.88 = 2,801.81/x
  3. Step 3: Cross multiply
    4,062.78x = 5,602.88 × 2,801.81
  4. Step 4: Simplify right side
    4,062.78x = 15,698,163.19
  5. Step 5: Solve for x
    x = 15,698,163.19/4,062.78
  6. Step 6: Final answer
    x = 3,863.90

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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.