Home / 5,415.96-8,106.66-3,562.68

Finding the Fourth Proportional to 5,415.96, 8,106.66 and 3,562.68

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Solution

The fourth proportional to 5,415.96, 8,106.66 and 3,562.68 is: 5,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.96 : 8,106.66 = 3,562.68 : x
  2. Step 2: Convert to fraction form
    5,415.96/8,106.66 = 3,562.68/x
  3. Step 3: Cross multiply
    5,415.96x = 8,106.66 × 3,562.68
  4. Step 4: Simplify right side
    5,415.96x = 28,881,435.45
  5. Step 5: Solve for x
    x = 28,881,435.45/5,415.96
  6. Step 6: Final answer
    x = 5,332.65

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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.