Home / 5,970.45-8,239.09-3,317.77

Finding the Fourth Proportional to 5,970.45, 8,239.09 and 3,317.77

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Solution

The fourth proportional to 5,970.45, 8,239.09 and 3,317.77 is: 4,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.45 : 8,239.09 = 3,317.77 : x
  2. Step 2: Convert to fraction form
    5,970.45/8,239.09 = 3,317.77/x
  3. Step 3: Cross multiply
    5,970.45x = 8,239.09 × 3,317.77
  4. Step 4: Simplify right side
    5,970.45x = 27,335,405.63
  5. Step 5: Solve for x
    x = 27,335,405.63/5,970.45
  6. Step 6: Final answer
    x = 4,578.45

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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.