Home / 6,379.08-8,802.78-3,546.18

Finding the Fourth Proportional to 6,379.08, 8,802.78 and 3,546.18

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Solution

The fourth proportional to 6,379.08, 8,802.78 and 3,546.18 is: 4,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.08 : 8,802.78 = 3,546.18 : x
  2. Step 2: Convert to fraction form
    6,379.08/8,802.78 = 3,546.18/x
  3. Step 3: Cross multiply
    6,379.08x = 8,802.78 × 3,546.18
  4. Step 4: Simplify right side
    6,379.08x = 31,216,242.38
  5. Step 5: Solve for x
    x = 31,216,242.38/6,379.08
  6. Step 6: Final answer
    x = 4,893.53

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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.