Home / 5,205.72-7,184.70-2,967.60

Finding the Fourth Proportional to 5,205.72, 7,184.70 and 2,967.60

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Solution

The fourth proportional to 5,205.72, 7,184.70 and 2,967.60 is: 4,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.72 : 7,184.70 = 2,967.60 : x
  2. Step 2: Convert to fraction form
    5,205.72/7,184.70 = 2,967.60/x
  3. Step 3: Cross multiply
    5,205.72x = 7,184.70 × 2,967.60
  4. Step 4: Simplify right side
    5,205.72x = 21,321,315.72
  5. Step 5: Solve for x
    x = 21,321,315.72/5,205.72
  6. Step 6: Final answer
    x = 4,095.75

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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.