Home / 6,262.96-8,642.72-3,430.36

Finding the Fourth Proportional to 6,262.96, 8,642.72 and 3,430.36

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Solution

The fourth proportional to 6,262.96, 8,642.72 and 3,430.36 is: 4,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.96 : 8,642.72 = 3,430.36 : x
  2. Step 2: Convert to fraction form
    6,262.96/8,642.72 = 3,430.36/x
  3. Step 3: Cross multiply
    6,262.96x = 8,642.72 × 3,430.36
  4. Step 4: Simplify right side
    6,262.96x = 29,647,640.98
  5. Step 5: Solve for x
    x = 29,647,640.98/6,262.96
  6. Step 6: Final answer
    x = 4,733.81

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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.