Home / 5,280.26-7,288.38-3,043.63

Finding the Fourth Proportional to 5,280.26, 7,288.38 and 3,043.63

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Solution

The fourth proportional to 5,280.26, 7,288.38 and 3,043.63 is: 4,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.26 : 7,288.38 = 3,043.63 : x
  2. Step 2: Convert to fraction form
    5,280.26/7,288.38 = 3,043.63/x
  3. Step 3: Cross multiply
    5,280.26x = 7,288.38 × 3,043.63
  4. Step 4: Simplify right side
    5,280.26x = 22,183,127.46
  5. Step 5: Solve for x
    x = 22,183,127.46/5,280.26
  6. Step 6: Final answer
    x = 4,201.14

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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.