Home / 4,355.50-6,530.28-1,433.38

Finding the Fourth Proportional to 4,355.50, 6,530.28 and 1,433.38

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Solution

The fourth proportional to 4,355.50, 6,530.28 and 1,433.38 is: 2,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.50 : 6,530.28 = 1,433.38 : x
  2. Step 2: Convert to fraction form
    4,355.50/6,530.28 = 1,433.38/x
  3. Step 3: Cross multiply
    4,355.50x = 6,530.28 × 1,433.38
  4. Step 4: Simplify right side
    4,355.50x = 9,360,372.75
  5. Step 5: Solve for x
    x = 9,360,372.75/4,355.50
  6. Step 6: Final answer
    x = 2,149.09

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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.