Home / 6,443.03-8,898.39-5,188.25

Finding the Fourth Proportional to 6,443.03, 8,898.39 and 5,188.25

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Solution

The fourth proportional to 6,443.03, 8,898.39 and 5,188.25 is: 7,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.03 : 8,898.39 = 5,188.25 : x
  2. Step 2: Convert to fraction form
    6,443.03/8,898.39 = 5,188.25/x
  3. Step 3: Cross multiply
    6,443.03x = 8,898.39 × 5,188.25
  4. Step 4: Simplify right side
    6,443.03x = 46,167,027.43
  5. Step 5: Solve for x
    x = 46,167,027.43/6,443.03
  6. Step 6: Final answer
    x = 7,165.43

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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.