Home / 7,437.70-11,148.76-2,505.63

Finding the Fourth Proportional to 7,437.70, 11,148.76 and 2,505.63

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Solution

The fourth proportional to 7,437.70, 11,148.76 and 2,505.63 is: 3,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.70 : 11,148.76 = 2,505.63 : x
  2. Step 2: Convert to fraction form
    7,437.70/11,148.76 = 2,505.63/x
  3. Step 3: Cross multiply
    7,437.70x = 11,148.76 × 2,505.63
  4. Step 4: Simplify right side
    7,437.70x = 27,934,719.51
  5. Step 5: Solve for x
    x = 27,934,719.51/7,437.70
  6. Step 6: Final answer
    x = 3,755.83

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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.