Home / 5,970.42-8,239.16-3,318.08

Finding the Fourth Proportional to 5,970.42, 8,239.16 and 3,318.08

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Solution

The fourth proportional to 5,970.42, 8,239.16 and 3,318.08 is: 4,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.42 : 8,239.16 = 3,318.08 : x
  2. Step 2: Convert to fraction form
    5,970.42/8,239.16 = 3,318.08/x
  3. Step 3: Cross multiply
    5,970.42x = 8,239.16 × 3,318.08
  4. Step 4: Simplify right side
    5,970.42x = 27,338,192.01
  5. Step 5: Solve for x
    x = 27,338,192.01/5,970.42
  6. Step 6: Final answer
    x = 4,578.94

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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.