Home / 5,918.28-8,130.68-5,296.92

Finding the Fourth Proportional to 5,918.28, 8,130.68 and 5,296.92

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Solution

The fourth proportional to 5,918.28, 8,130.68 and 5,296.92 is: 7,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.28 : 8,130.68 = 5,296.92 : x
  2. Step 2: Convert to fraction form
    5,918.28/8,130.68 = 5,296.92/x
  3. Step 3: Cross multiply
    5,918.28x = 8,130.68 × 5,296.92
  4. Step 4: Simplify right side
    5,918.28x = 43,067,535.02
  5. Step 5: Solve for x
    x = 43,067,535.02/5,918.28
  6. Step 6: Final answer
    x = 7,277.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.