Home / 7,475.40-11,214.84-2,545.08

Finding the Fourth Proportional to 7,475.40, 11,214.84 and 2,545.08

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Solution

The fourth proportional to 7,475.40, 11,214.84 and 2,545.08 is: 3,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.40 : 11,214.84 = 2,545.08 : x
  2. Step 2: Convert to fraction form
    7,475.40/11,214.84 = 2,545.08/x
  3. Step 3: Cross multiply
    7,475.40x = 11,214.84 × 2,545.08
  4. Step 4: Simplify right side
    7,475.40x = 28,542,664.99
  5. Step 5: Solve for x
    x = 28,542,664.99/7,475.40
  6. Step 6: Final answer
    x = 3,818.21

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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.