Home / 3,654.24-5,046.84-2,478.48

Finding the Fourth Proportional to 3,654.24, 5,046.84 and 2,478.48

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Solution

The fourth proportional to 3,654.24, 5,046.84 and 2,478.48 is: 3,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.24 : 5,046.84 = 2,478.48 : x
  2. Step 2: Convert to fraction form
    3,654.24/5,046.84 = 2,478.48/x
  3. Step 3: Cross multiply
    3,654.24x = 5,046.84 × 2,478.48
  4. Step 4: Simplify right side
    3,654.24x = 12,508,492.00
  5. Step 5: Solve for x
    x = 12,508,492.00/3,654.24
  6. Step 6: Final answer
    x = 3,423.01

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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.