Home / 5,248.87-7,243.95-3,920.27

Finding the Fourth Proportional to 5,248.87, 7,243.95 and 3,920.27

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Solution

The fourth proportional to 5,248.87, 7,243.95 and 3,920.27 is: 5,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.87 : 7,243.95 = 3,920.27 : x
  2. Step 2: Convert to fraction form
    5,248.87/7,243.95 = 3,920.27/x
  3. Step 3: Cross multiply
    5,248.87x = 7,243.95 × 3,920.27
  4. Step 4: Simplify right side
    5,248.87x = 28,398,239.87
  5. Step 5: Solve for x
    x = 28,398,239.87/5,248.87
  6. Step 6: Final answer
    x = 5,410.35

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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.