Home / 5,970.99-8,240.34-3,318.46

Finding the Fourth Proportional to 5,970.99, 8,240.34 and 3,318.46

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Solution

The fourth proportional to 5,970.99, 8,240.34 and 3,318.46 is: 4,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.99 : 8,240.34 = 3,318.46 : x
  2. Step 2: Convert to fraction form
    5,970.99/8,240.34 = 3,318.46/x
  3. Step 3: Cross multiply
    5,970.99x = 8,240.34 × 3,318.46
  4. Step 4: Simplify right side
    5,970.99x = 27,345,238.68
  5. Step 5: Solve for x
    x = 27,345,238.68/5,970.99
  6. Step 6: Final answer
    x = 4,579.68

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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.