Home / 6,279.87-8,664.45-4,043.04

Finding the Fourth Proportional to 6,279.87, 8,664.45 and 4,043.04

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Solution

The fourth proportional to 6,279.87, 8,664.45 and 4,043.04 is: 5,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.87 : 8,664.45 = 4,043.04 : x
  2. Step 2: Convert to fraction form
    6,279.87/8,664.45 = 4,043.04/x
  3. Step 3: Cross multiply
    6,279.87x = 8,664.45 × 4,043.04
  4. Step 4: Simplify right side
    6,279.87x = 35,030,702.77
  5. Step 5: Solve for x
    x = 35,030,702.77/6,279.87
  6. Step 6: Final answer
    x = 5,578.25

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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.