Home / 5,288.48-7,298.16-2,930.66

Finding the Fourth Proportional to 5,288.48, 7,298.16 and 2,930.66

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Solution

The fourth proportional to 5,288.48, 7,298.16 and 2,930.66 is: 4,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.48 : 7,298.16 = 2,930.66 : x
  2. Step 2: Convert to fraction form
    5,288.48/7,298.16 = 2,930.66/x
  3. Step 3: Cross multiply
    5,288.48x = 7,298.16 × 2,930.66
  4. Step 4: Simplify right side
    5,288.48x = 21,388,425.59
  5. Step 5: Solve for x
    x = 21,388,425.59/5,288.48
  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.