Home / 5,248.69-7,243.19-2,890.83

Finding the Fourth Proportional to 5,248.69, 7,243.19 and 2,890.83

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Solution

The fourth proportional to 5,248.69, 7,243.19 and 2,890.83 is: 3,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.69 : 7,243.19 = 2,890.83 : x
  2. Step 2: Convert to fraction form
    5,248.69/7,243.19 = 2,890.83/x
  3. Step 3: Cross multiply
    5,248.69x = 7,243.19 × 2,890.83
  4. Step 4: Simplify right side
    5,248.69x = 20,938,830.95
  5. Step 5: Solve for x
    x = 20,938,830.95/5,248.69
  6. Step 6: Final answer
    x = 3,989.34

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.