Home / 7,490.61-11,238.75-2,296.89

Finding the Fourth Proportional to 7,490.61, 11,238.75 and 2,296.89

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Solution

The fourth proportional to 7,490.61, 11,238.75 and 2,296.89 is: 3,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.61 : 11,238.75 = 2,296.89 : x
  2. Step 2: Convert to fraction form
    7,490.61/11,238.75 = 2,296.89/x
  3. Step 3: Cross multiply
    7,490.61x = 11,238.75 × 2,296.89
  4. Step 4: Simplify right side
    7,490.61x = 25,814,172.49
  5. Step 5: Solve for x
    x = 25,814,172.49/7,490.61
  6. Step 6: Final answer
    x = 3,446.20

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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.