Home / 4,813.08-6,638.40-3,491.16

Finding the Fourth Proportional to 4,813.08, 6,638.40 and 3,491.16

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Solution

The fourth proportional to 4,813.08, 6,638.40 and 3,491.16 is: 4,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.08 : 6,638.40 = 3,491.16 : x
  2. Step 2: Convert to fraction form
    4,813.08/6,638.40 = 3,491.16/x
  3. Step 3: Cross multiply
    4,813.08x = 6,638.40 × 3,491.16
  4. Step 4: Simplify right side
    4,813.08x = 23,175,716.54
  5. Step 5: Solve for x
    x = 23,175,716.54/4,813.08
  6. Step 6: Final answer
    x = 4,815.15

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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.