Home / 2,721.77-3,755.82-1,602.53

Finding the Fourth Proportional to 2,721.77, 3,755.82 and 1,602.53

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Solution

The fourth proportional to 2,721.77, 3,755.82 and 1,602.53 is: 2,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.77 : 3,755.82 = 1,602.53 : x
  2. Step 2: Convert to fraction form
    2,721.77/3,755.82 = 1,602.53/x
  3. Step 3: Cross multiply
    2,721.77x = 3,755.82 × 1,602.53
  4. Step 4: Simplify right side
    2,721.77x = 6,018,814.22
  5. Step 5: Solve for x
    x = 6,018,814.22/2,721.77
  6. Step 6: Final answer
    x = 2,211.36

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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.