Home / 7,430.94-11,129.96-3,035.06

Finding the Fourth Proportional to 7,430.94, 11,129.96 and 3,035.06

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Solution

The fourth proportional to 7,430.94, 11,129.96 and 3,035.06 is: 4,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.94 : 11,129.96 = 3,035.06 : x
  2. Step 2: Convert to fraction form
    7,430.94/11,129.96 = 3,035.06/x
  3. Step 3: Cross multiply
    7,430.94x = 11,129.96 × 3,035.06
  4. Step 4: Simplify right side
    7,430.94x = 33,780,096.40
  5. Step 5: Solve for x
    x = 33,780,096.40/7,430.94
  6. Step 6: Final answer
    x = 4,545.87

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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.