Home / 5,970.66-8,239.51-3,318.32

Finding the Fourth Proportional to 5,970.66, 8,239.51 and 3,318.32

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Solution

The fourth proportional to 5,970.66, 8,239.51 and 3,318.32 is: 4,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.66 : 8,239.51 = 3,318.32 : x
  2. Step 2: Convert to fraction form
    5,970.66/8,239.51 = 3,318.32/x
  3. Step 3: Cross multiply
    5,970.66x = 8,239.51 × 3,318.32
  4. Step 4: Simplify right side
    5,970.66x = 27,341,330.82
  5. Step 5: Solve for x
    x = 27,341,330.82/5,970.66
  6. Step 6: Final answer
    x = 4,579.28

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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.