Home / 6,458.01-8,912.21-3,663.51

Finding the Fourth Proportional to 6,458.01, 8,912.21 and 3,663.51

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Solution

The fourth proportional to 6,458.01, 8,912.21 and 3,663.51 is: 5,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.01 : 8,912.21 = 3,663.51 : x
  2. Step 2: Convert to fraction form
    6,458.01/8,912.21 = 3,663.51/x
  3. Step 3: Cross multiply
    6,458.01x = 8,912.21 × 3,663.51
  4. Step 4: Simplify right side
    6,458.01x = 32,649,952.14
  5. Step 5: Solve for x
    x = 32,649,952.14/6,458.01
  6. Step 6: Final answer
    x = 5,055.73

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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.