Home / 5,970.47-8,238.78-3,317.64

Finding the Fourth Proportional to 5,970.47, 8,238.78 and 3,317.64

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Solution

The fourth proportional to 5,970.47, 8,238.78 and 3,317.64 is: 4,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.47 : 8,238.78 = 3,317.64 : x
  2. Step 2: Convert to fraction form
    5,970.47/8,238.78 = 3,317.64/x
  3. Step 3: Cross multiply
    5,970.47x = 8,238.78 × 3,317.64
  4. Step 4: Simplify right side
    5,970.47x = 27,333,306.08
  5. Step 5: Solve for x
    x = 27,333,306.08/5,970.47
  6. Step 6: Final answer
    x = 4,578.09

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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.