Home / 5,185.08-7,155-3,296.16

Finding the Fourth Proportional to 5,185.08, 7,155 and 3,296.16

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Solution

The fourth proportional to 5,185.08, 7,155 and 3,296.16 is: 4,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.08 : 7,155 = 3,296.16 : x
  2. Step 2: Convert to fraction form
    5,185.08/7,155 = 3,296.16/x
  3. Step 3: Cross multiply
    5,185.08x = 7,155 × 3,296.16
  4. Step 4: Simplify right side
    5,185.08x = 23,584,024.80
  5. Step 5: Solve for x
    x = 23,584,024.80/5,185.08
  6. Step 6: Final answer
    x = 4,548.44

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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.