Home / 7,588.52-11,387.63-3,690.80

Finding the Fourth Proportional to 7,588.52, 11,387.63 and 3,690.80

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Solution

The fourth proportional to 7,588.52, 11,387.63 and 3,690.80 is: 5,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.52 : 11,387.63 = 3,690.80 : x
  2. Step 2: Convert to fraction form
    7,588.52/11,387.63 = 3,690.80/x
  3. Step 3: Cross multiply
    7,588.52x = 11,387.63 × 3,690.80
  4. Step 4: Simplify right side
    7,588.52x = 42,029,446.35
  5. Step 5: Solve for x
    x = 42,029,446.35/7,588.52
  6. Step 6: Final answer
    x = 5,538.56

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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.