Home / 6,910.22-9,535.10-4,078.02

Finding the Fourth Proportional to 6,910.22, 9,535.10 and 4,078.02

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Solution

The fourth proportional to 6,910.22, 9,535.10 and 4,078.02 is: 5,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.22 : 9,535.10 = 4,078.02 : x
  2. Step 2: Convert to fraction form
    6,910.22/9,535.10 = 4,078.02/x
  3. Step 3: Cross multiply
    6,910.22x = 9,535.10 × 4,078.02
  4. Step 4: Simplify right side
    6,910.22x = 38,884,328.50
  5. Step 5: Solve for x
    x = 38,884,328.50/6,910.22
  6. Step 6: Final answer
    x = 5,627.08

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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.