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Finding the Fourth Proportional to 4,294.81, 5,913.57 and 3,354.40

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Solution

The fourth proportional to 4,294.81, 5,913.57 and 3,354.40 is: 4,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.81 : 5,913.57 = 3,354.40 : x
  2. Step 2: Convert to fraction form
    4,294.81/5,913.57 = 3,354.40/x
  3. Step 3: Cross multiply
    4,294.81x = 5,913.57 × 3,354.40
  4. Step 4: Simplify right side
    4,294.81x = 19,836,479.21
  5. Step 5: Solve for x
    x = 19,836,479.21/4,294.81
  6. Step 6: Final answer
    x = 4,618.71

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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.