Home / 6,113.07-8,439.92-4,202.02

Finding the Fourth Proportional to 6,113.07, 8,439.92 and 4,202.02

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Solution

The fourth proportional to 6,113.07, 8,439.92 and 4,202.02 is: 5,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.07 : 8,439.92 = 4,202.02 : x
  2. Step 2: Convert to fraction form
    6,113.07/8,439.92 = 4,202.02/x
  3. Step 3: Cross multiply
    6,113.07x = 8,439.92 × 4,202.02
  4. Step 4: Simplify right side
    6,113.07x = 35,464,712.64
  5. Step 5: Solve for x
    x = 35,464,712.64/6,113.07
  6. Step 6: Final answer
    x = 5,801.46

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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.