Home / 5,303.45-7,318.20-3,066.05

Finding the Fourth Proportional to 5,303.45, 7,318.20 and 3,066.05

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Solution

The fourth proportional to 5,303.45, 7,318.20 and 3,066.05 is: 4,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.45 : 7,318.20 = 3,066.05 : x
  2. Step 2: Convert to fraction form
    5,303.45/7,318.20 = 3,066.05/x
  3. Step 3: Cross multiply
    5,303.45x = 7,318.20 × 3,066.05
  4. Step 4: Simplify right side
    5,303.45x = 22,437,930.52
  5. Step 5: Solve for x
    x = 22,437,930.52/5,303.45
  6. Step 6: Final answer
    x = 4,230.82

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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.