Home / 5,980.68-8,253.72-3,623.40

Finding the Fourth Proportional to 5,980.68, 8,253.72 and 3,623.40

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Solution

The fourth proportional to 5,980.68, 8,253.72 and 3,623.40 is: 5,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.68 : 8,253.72 = 3,623.40 : x
  2. Step 2: Convert to fraction form
    5,980.68/8,253.72 = 3,623.40/x
  3. Step 3: Cross multiply
    5,980.68x = 8,253.72 × 3,623.40
  4. Step 4: Simplify right side
    5,980.68x = 29,906,529.05
  5. Step 5: Solve for x
    x = 29,906,529.05/5,980.68
  6. Step 6: Final answer
    x = 5,000.52

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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.