Home / 5,248.46-7,242.99-2,890.73

Finding the Fourth Proportional to 5,248.46, 7,242.99 and 2,890.73

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Solution

The fourth proportional to 5,248.46, 7,242.99 and 2,890.73 is: 3,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.46 : 7,242.99 = 2,890.73 : x
  2. Step 2: Convert to fraction form
    5,248.46/7,242.99 = 2,890.73/x
  3. Step 3: Cross multiply
    5,248.46x = 7,242.99 × 2,890.73
  4. Step 4: Simplify right side
    5,248.46x = 20,937,528.48
  5. Step 5: Solve for x
    x = 20,937,528.48/5,248.46
  6. Step 6: Final answer
    x = 3,989.27

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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.