Home / 4,727.12-6,523.74-3,131.01

Finding the Fourth Proportional to 4,727.12, 6,523.74 and 3,131.01

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Solution

The fourth proportional to 4,727.12, 6,523.74 and 3,131.01 is: 4,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.12 : 6,523.74 = 3,131.01 : x
  2. Step 2: Convert to fraction form
    4,727.12/6,523.74 = 3,131.01/x
  3. Step 3: Cross multiply
    4,727.12x = 6,523.74 × 3,131.01
  4. Step 4: Simplify right side
    4,727.12x = 20,425,895.18
  5. Step 5: Solve for x
    x = 20,425,895.18/4,727.12
  6. Step 6: Final answer
    x = 4,321.01

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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.