Home / 5,465.21-8,199.86-3,275.51

Finding the Fourth Proportional to 5,465.21, 8,199.86 and 3,275.51

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Solution

The fourth proportional to 5,465.21, 8,199.86 and 3,275.51 is: 4,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.21 : 8,199.86 = 3,275.51 : x
  2. Step 2: Convert to fraction form
    5,465.21/8,199.86 = 3,275.51/x
  3. Step 3: Cross multiply
    5,465.21x = 8,199.86 × 3,275.51
  4. Step 4: Simplify right side
    5,465.21x = 26,858,666.05
  5. Step 5: Solve for x
    x = 26,858,666.05/5,465.21
  6. Step 6: Final answer
    x = 4,914.48

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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.