Home / 2,122.14-2,927.26-1,523.45

Finding the Fourth Proportional to 2,122.14, 2,927.26 and 1,523.45

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Solution

The fourth proportional to 2,122.14, 2,927.26 and 1,523.45 is: 2,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.14 : 2,927.26 = 1,523.45 : x
  2. Step 2: Convert to fraction form
    2,122.14/2,927.26 = 1,523.45/x
  3. Step 3: Cross multiply
    2,122.14x = 2,927.26 × 1,523.45
  4. Step 4: Simplify right side
    2,122.14x = 4,459,537.76
  5. Step 5: Solve for x
    x = 4,459,537.76/2,122.14
  6. Step 6: Final answer
    x = 2,101.43

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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.