Home / 6,317.99-8,720.56-3,666.25

Finding the Fourth Proportional to 6,317.99, 8,720.56 and 3,666.25

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Solution

The fourth proportional to 6,317.99, 8,720.56 and 3,666.25 is: 5,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.99 : 8,720.56 = 3,666.25 : x
  2. Step 2: Convert to fraction form
    6,317.99/8,720.56 = 3,666.25/x
  3. Step 3: Cross multiply
    6,317.99x = 8,720.56 × 3,666.25
  4. Step 4: Simplify right side
    6,317.99x = 31,971,743.93
  5. Step 5: Solve for x
    x = 31,971,743.93/6,317.99
  6. Step 6: Final answer
    x = 5,060.43

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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.