Home / 5,248.36-7,243.17-2,890.94

Finding the Fourth Proportional to 5,248.36, 7,243.17 and 2,890.94

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Solution

The fourth proportional to 5,248.36, 7,243.17 and 2,890.94 is: 3,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.36 : 7,243.17 = 2,890.94 : x
  2. Step 2: Convert to fraction form
    5,248.36/7,243.17 = 2,890.94/x
  3. Step 3: Cross multiply
    5,248.36x = 7,243.17 × 2,890.94
  4. Step 4: Simplify right side
    5,248.36x = 20,939,569.88
  5. Step 5: Solve for x
    x = 20,939,569.88/5,248.36
  6. Step 6: Final answer
    x = 3,989.74

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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.