Home / 6,112.07-8,438.54-4,201.02

Finding the Fourth Proportional to 6,112.07, 8,438.54 and 4,201.02

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Solution

The fourth proportional to 6,112.07, 8,438.54 and 4,201.02 is: 5,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.07 : 8,438.54 = 4,201.02 : x
  2. Step 2: Convert to fraction form
    6,112.07/8,438.54 = 4,201.02/x
  3. Step 3: Cross multiply
    6,112.07x = 8,438.54 × 4,201.02
  4. Step 4: Simplify right side
    6,112.07x = 35,450,454.31
  5. Step 5: Solve for x
    x = 35,450,454.31/6,112.07
  6. Step 6: Final answer
    x = 5,800.08

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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.