Home / 4,478.08-6,179.44-2,461.64

Finding the Fourth Proportional to 4,478.08, 6,179.44 and 2,461.64

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Solution

The fourth proportional to 4,478.08, 6,179.44 and 2,461.64 is: 3,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.08 : 6,179.44 = 2,461.64 : x
  2. Step 2: Convert to fraction form
    4,478.08/6,179.44 = 2,461.64/x
  3. Step 3: Cross multiply
    4,478.08x = 6,179.44 × 2,461.64
  4. Step 4: Simplify right side
    4,478.08x = 15,211,513.48
  5. Step 5: Solve for x
    x = 15,211,513.48/4,478.08
  6. Step 6: Final answer
    x = 3,396.89

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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.