Home / 5,080.08-7,009.38-3,216

Finding the Fourth Proportional to 5,080.08, 7,009.38 and 3,216

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Solution

The fourth proportional to 5,080.08, 7,009.38 and 3,216 is: 4,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.08 : 7,009.38 = 3,216 : x
  2. Step 2: Convert to fraction form
    5,080.08/7,009.38 = 3,216/x
  3. Step 3: Cross multiply
    5,080.08x = 7,009.38 × 3,216
  4. Step 4: Simplify right side
    5,080.08x = 22,542,166.08
  5. Step 5: Solve for x
    x = 22,542,166.08/5,080.08
  6. Step 6: Final answer
    x = 4,437.36

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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.