Home / 4,740.72-6,542.82-3,418.80

Finding the Fourth Proportional to 4,740.72, 6,542.82 and 3,418.80

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Solution

The fourth proportional to 4,740.72, 6,542.82 and 3,418.80 is: 4,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.72 : 6,542.82 = 3,418.80 : x
  2. Step 2: Convert to fraction form
    4,740.72/6,542.82 = 3,418.80/x
  3. Step 3: Cross multiply
    4,740.72x = 6,542.82 × 3,418.80
  4. Step 4: Simplify right side
    4,740.72x = 22,368,593.02
  5. Step 5: Solve for x
    x = 22,368,593.02/4,740.72
  6. Step 6: Final answer
    x = 4,718.40

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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.