Home / 5,972.99-8,242.70-3,320.64

Finding the Fourth Proportional to 5,972.99, 8,242.70 and 3,320.64

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Solution

The fourth proportional to 5,972.99, 8,242.70 and 3,320.64 is: 4,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.99 : 8,242.70 = 3,320.64 : x
  2. Step 2: Convert to fraction form
    5,972.99/8,242.70 = 3,320.64/x
  3. Step 3: Cross multiply
    5,972.99x = 8,242.70 × 3,320.64
  4. Step 4: Simplify right side
    5,972.99x = 27,371,022.72
  5. Step 5: Solve for x
    x = 27,371,022.72/5,972.99
  6. Step 6: Final answer
    x = 4,582.47

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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.