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Finding the Fourth Proportional to 4,798.39, 6,624.84 and 3,916.30

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Solution

The fourth proportional to 4,798.39, 6,624.84 and 3,916.30 is: 5,406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.39 : 6,624.84 = 3,916.30 : x
  2. Step 2: Convert to fraction form
    4,798.39/6,624.84 = 3,916.30/x
  3. Step 3: Cross multiply
    4,798.39x = 6,624.84 × 3,916.30
  4. Step 4: Simplify right side
    4,798.39x = 25,944,860.89
  5. Step 5: Solve for x
    x = 25,944,860.89/4,798.39
  6. Step 6: Final answer
    x = 5,406.99

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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.