Home / 6,235.80-8,603.20-4,115.32

Finding the Fourth Proportional to 6,235.80, 8,603.20 and 4,115.32

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Solution

The fourth proportional to 6,235.80, 8,603.20 and 4,115.32 is: 5,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.80 : 8,603.20 = 4,115.32 : x
  2. Step 2: Convert to fraction form
    6,235.80/8,603.20 = 4,115.32/x
  3. Step 3: Cross multiply
    6,235.80x = 8,603.20 × 4,115.32
  4. Step 4: Simplify right side
    6,235.80x = 35,404,921.02
  5. Step 5: Solve for x
    x = 35,404,921.02/6,235.80
  6. Step 6: Final answer
    x = 5,677.69

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Double scale
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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.