Home / 7,435.10-11,143.20-3,047.60

Finding the Fourth Proportional to 7,435.10, 11,143.20 and 3,047.60

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Solution

The fourth proportional to 7,435.10, 11,143.20 and 3,047.60 is: 4,567.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.10 : 11,143.20 = 3,047.60 : x
  2. Step 2: Convert to fraction form
    7,435.10/11,143.20 = 3,047.60/x
  3. Step 3: Cross multiply
    7,435.10x = 11,143.20 × 3,047.60
  4. Step 4: Simplify right side
    7,435.10x = 33,960,016.32
  5. Step 5: Solve for x
    x = 33,960,016.32/7,435.10
  6. Step 6: Final answer
    x = 4,567.53

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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.