Home / 3,132.24-4,699.08-941.28

Finding the Fourth Proportional to 3,132.24, 4,699.08 and 941.28

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Solution

The fourth proportional to 3,132.24, 4,699.08 and 941.28 is: 1,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.24 : 4,699.08 = 941.28 : x
  2. Step 2: Convert to fraction form
    3,132.24/4,699.08 = 941.28/x
  3. Step 3: Cross multiply
    3,132.24x = 4,699.08 × 941.28
  4. Step 4: Simplify right side
    3,132.24x = 4,423,150.02
  5. Step 5: Solve for x
    x = 4,423,150.02/3,132.24
  6. Step 6: Final answer
    x = 1,412.14

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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.