Home / 4,041.71-5,578.05-2,272.98

Finding the Fourth Proportional to 4,041.71, 5,578.05 and 2,272.98

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Solution

The fourth proportional to 4,041.71, 5,578.05 and 2,272.98 is: 3,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,041.71 : 5,578.05 = 2,272.98 : x
  2. Step 2: Convert to fraction form
    4,041.71/5,578.05 = 2,272.98/x
  3. Step 3: Cross multiply
    4,041.71x = 5,578.05 × 2,272.98
  4. Step 4: Simplify right side
    4,041.71x = 12,678,781.37
  5. Step 5: Solve for x
    x = 12,678,781.37/4,041.71
  6. Step 6: Final answer
    x = 3,136.98

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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.