Home / 7,114.19-10,656.98-3,545.54

Finding the Fourth Proportional to 7,114.19, 10,656.98 and 3,545.54

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Solution

The fourth proportional to 7,114.19, 10,656.98 and 3,545.54 is: 5,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.19 : 10,656.98 = 3,545.54 : x
  2. Step 2: Convert to fraction form
    7,114.19/10,656.98 = 3,545.54/x
  3. Step 3: Cross multiply
    7,114.19x = 10,656.98 × 3,545.54
  4. Step 4: Simplify right side
    7,114.19x = 37,784,677.86
  5. Step 5: Solve for x
    x = 37,784,677.86/7,114.19
  6. Step 6: Final answer
    x = 5,311.17

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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.