Home / 5,288.13-7,296.88-2,930.42

Finding the Fourth Proportional to 5,288.13, 7,296.88 and 2,930.42

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Solution

The fourth proportional to 5,288.13, 7,296.88 and 2,930.42 is: 4,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.13 : 7,296.88 = 2,930.42 : x
  2. Step 2: Convert to fraction form
    5,288.13/7,296.88 = 2,930.42/x
  3. Step 3: Cross multiply
    5,288.13x = 7,296.88 × 2,930.42
  4. Step 4: Simplify right side
    5,288.13x = 21,382,923.09
  5. Step 5: Solve for x
    x = 21,382,923.09/5,288.13
  6. Step 6: Final answer
    x = 4,043.57

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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.