Home / 4,658.28-6,431.46-2,892.48

Finding the Fourth Proportional to 4,658.28, 6,431.46 and 2,892.48

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Solution

The fourth proportional to 4,658.28, 6,431.46 and 2,892.48 is: 3,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.28 : 6,431.46 = 2,892.48 : x
  2. Step 2: Convert to fraction form
    4,658.28/6,431.46 = 2,892.48/x
  3. Step 3: Cross multiply
    4,658.28x = 6,431.46 × 2,892.48
  4. Step 4: Simplify right side
    4,658.28x = 18,602,869.42
  5. Step 5: Solve for x
    x = 18,602,869.42/4,658.28
  6. Step 6: Final answer
    x = 3,993.51

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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.