Home / 6,199.31-8,551.58-3,678.93

Finding the Fourth Proportional to 6,199.31, 8,551.58 and 3,678.93

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Solution

The fourth proportional to 6,199.31, 8,551.58 and 3,678.93 is: 5,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.31 : 8,551.58 = 3,678.93 : x
  2. Step 2: Convert to fraction form
    6,199.31/8,551.58 = 3,678.93/x
  3. Step 3: Cross multiply
    6,199.31x = 8,551.58 × 3,678.93
  4. Step 4: Simplify right side
    6,199.31x = 31,460,645.81
  5. Step 5: Solve for x
    x = 31,460,645.81/6,199.31
  6. Step 6: Final answer
    x = 5,074.86

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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.