Home / 7,260.45-10,892.70-3,562.80

Finding the Fourth Proportional to 7,260.45, 10,892.70 and 3,562.80

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Solution

The fourth proportional to 7,260.45, 10,892.70 and 3,562.80 is: 5,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.45 : 10,892.70 = 3,562.80 : x
  2. Step 2: Convert to fraction form
    7,260.45/10,892.70 = 3,562.80/x
  3. Step 3: Cross multiply
    7,260.45x = 10,892.70 × 3,562.80
  4. Step 4: Simplify right side
    7,260.45x = 38,808,511.56
  5. Step 5: Solve for x
    x = 38,808,511.56/7,260.45
  6. Step 6: Final answer
    x = 5,345.19

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1.5x scale

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.