Home / 3,485.32-5,229.76-2,316.12

Finding the Fourth Proportional to 3,485.32, 5,229.76 and 2,316.12

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Solution

The fourth proportional to 3,485.32, 5,229.76 and 2,316.12 is: 3,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.32 : 5,229.76 = 2,316.12 : x
  2. Step 2: Convert to fraction form
    3,485.32/5,229.76 = 2,316.12/x
  3. Step 3: Cross multiply
    3,485.32x = 5,229.76 × 2,316.12
  4. Step 4: Simplify right side
    3,485.32x = 12,112,751.73
  5. Step 5: Solve for x
    x = 12,112,751.73/3,485.32
  6. Step 6: Final answer
    x = 3,475.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.