Home / 5,317.26-7,970.04-2,195.56

Finding the Fourth Proportional to 5,317.26, 7,970.04 and 2,195.56

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Solution

The fourth proportional to 5,317.26, 7,970.04 and 2,195.56 is: 3,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.26 : 7,970.04 = 2,195.56 : x
  2. Step 2: Convert to fraction form
    5,317.26/7,970.04 = 2,195.56/x
  3. Step 3: Cross multiply
    5,317.26x = 7,970.04 × 2,195.56
  4. Step 4: Simplify right side
    5,317.26x = 17,498,701.02
  5. Step 5: Solve for x
    x = 17,498,701.02/5,317.26
  6. Step 6: Final answer
    x = 3,290.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.