Home / 5,288.54-7,298.18-2,930.68

Finding the Fourth Proportional to 5,288.54, 7,298.18 and 2,930.68

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Solution

The fourth proportional to 5,288.54, 7,298.18 and 2,930.68 is: 4,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.54 : 7,298.18 = 2,930.68 : x
  2. Step 2: Convert to fraction form
    5,288.54/7,298.18 = 2,930.68/x
  3. Step 3: Cross multiply
    5,288.54x = 7,298.18 × 2,930.68
  4. Step 4: Simplify right side
    5,288.54x = 21,388,641.15
  5. Step 5: Solve for x
    x = 21,388,641.15/5,288.54
  6. Step 6: Final answer
    x = 4,044.34

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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.