Home / 4,329.88-6,485.62-4,178.32

Finding the Fourth Proportional to 4,329.88, 6,485.62 and 4,178.32

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Solution

The fourth proportional to 4,329.88, 6,485.62 and 4,178.32 is: 6,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.88 : 6,485.62 = 4,178.32 : x
  2. Step 2: Convert to fraction form
    4,329.88/6,485.62 = 4,178.32/x
  3. Step 3: Cross multiply
    4,329.88x = 6,485.62 × 4,178.32
  4. Step 4: Simplify right side
    4,329.88x = 27,098,995.76
  5. Step 5: Solve for x
    x = 27,098,995.76/4,329.88
  6. Step 6: Final answer
    x = 6,258.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.