Home / 6,218.53-8,580.12-4,540.84

Finding the Fourth Proportional to 6,218.53, 8,580.12 and 4,540.84

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Solution

The fourth proportional to 6,218.53, 8,580.12 and 4,540.84 is: 6,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.53 : 8,580.12 = 4,540.84 : x
  2. Step 2: Convert to fraction form
    6,218.53/8,580.12 = 4,540.84/x
  3. Step 3: Cross multiply
    6,218.53x = 8,580.12 × 4,540.84
  4. Step 4: Simplify right side
    6,218.53x = 38,960,952.10
  5. Step 5: Solve for x
    x = 38,960,952.10/6,218.53
  6. Step 6: Final answer
    x = 6,265.30

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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.