Home / 4,940.48-7,412.76-2,165.72

Finding the Fourth Proportional to 4,940.48, 7,412.76 and 2,165.72

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Solution

The fourth proportional to 4,940.48, 7,412.76 and 2,165.72 is: 3,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.48 : 7,412.76 = 2,165.72 : x
  2. Step 2: Convert to fraction form
    4,940.48/7,412.76 = 2,165.72/x
  3. Step 3: Cross multiply
    4,940.48x = 7,412.76 × 2,165.72
  4. Step 4: Simplify right side
    4,940.48x = 16,053,925.52
  5. Step 5: Solve for x
    x = 16,053,925.52/4,940.48
  6. Step 6: Final answer
    x = 3,249.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.