Home / 6,370.14-8,790.48-3,717.66

Finding the Fourth Proportional to 6,370.14, 8,790.48 and 3,717.66

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Solution

The fourth proportional to 6,370.14, 8,790.48 and 3,717.66 is: 5,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.14 : 8,790.48 = 3,717.66 : x
  2. Step 2: Convert to fraction form
    6,370.14/8,790.48 = 3,717.66/x
  3. Step 3: Cross multiply
    6,370.14x = 8,790.48 × 3,717.66
  4. Step 4: Simplify right side
    6,370.14x = 32,680,015.88
  5. Step 5: Solve for x
    x = 32,680,015.88/6,370.14
  6. Step 6: Final answer
    x = 5,130.19

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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.