Home / 4,998.85-7,495.65-1,488.38

Finding the Fourth Proportional to 4,998.85, 7,495.65 and 1,488.38

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Solution

The fourth proportional to 4,998.85, 7,495.65 and 1,488.38 is: 2,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.85 : 7,495.65 = 1,488.38 : x
  2. Step 2: Convert to fraction form
    4,998.85/7,495.65 = 1,488.38/x
  3. Step 3: Cross multiply
    4,998.85x = 7,495.65 × 1,488.38
  4. Step 4: Simplify right side
    4,998.85x = 11,156,338.07
  5. Step 5: Solve for x
    x = 11,156,338.07/4,998.85
  6. Step 6: Final answer
    x = 2,231.78

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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.