Home / 3,515.10-5,272.65-1,433.81

Finding the Fourth Proportional to 3,515.10, 5,272.65 and 1,433.81

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Solution

The fourth proportional to 3,515.10, 5,272.65 and 1,433.81 is: 2,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.10 : 5,272.65 = 1,433.81 : x
  2. Step 2: Convert to fraction form
    3,515.10/5,272.65 = 1,433.81/x
  3. Step 3: Cross multiply
    3,515.10x = 5,272.65 × 1,433.81
  4. Step 4: Simplify right side
    3,515.10x = 7,559,978.30
  5. Step 5: Solve for x
    x = 7,559,978.30/3,515.10
  6. Step 6: Final answer
    x = 2,150.72

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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.