Home / 5,251.48-7,246.95-2,893.60

Finding the Fourth Proportional to 5,251.48, 7,246.95 and 2,893.60

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Solution

The fourth proportional to 5,251.48, 7,246.95 and 2,893.60 is: 3,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.48 : 7,246.95 = 2,893.60 : x
  2. Step 2: Convert to fraction form
    5,251.48/7,246.95 = 2,893.60/x
  3. Step 3: Cross multiply
    5,251.48x = 7,246.95 × 2,893.60
  4. Step 4: Simplify right side
    5,251.48x = 20,969,774.52
  5. Step 5: Solve for x
    x = 20,969,774.52/5,251.48
  6. Step 6: Final answer
    x = 3,993.12

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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.