Home / 4,999.47-6,896.95-3,231.64

Finding the Fourth Proportional to 4,999.47, 6,896.95 and 3,231.64

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Solution

The fourth proportional to 4,999.47, 6,896.95 and 3,231.64 is: 4,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.47 : 6,896.95 = 3,231.64 : x
  2. Step 2: Convert to fraction form
    4,999.47/6,896.95 = 3,231.64/x
  3. Step 3: Cross multiply
    4,999.47x = 6,896.95 × 3,231.64
  4. Step 4: Simplify right side
    4,999.47x = 22,288,459.50
  5. Step 5: Solve for x
    x = 22,288,459.50/4,999.47
  6. Step 6: Final answer
    x = 4,458.16

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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.