Home / 1,916.23-2,874.00-529.34

Finding the Fourth Proportional to 1,916.23, 2,874.00 and 529.34

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Solution

The fourth proportional to 1,916.23, 2,874.00 and 529.34 is: 793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.23 : 2,874.00 = 529.34 : x
  2. Step 2: Convert to fraction form
    1,916.23/2,874.00 = 529.34/x
  3. Step 3: Cross multiply
    1,916.23x = 2,874.00 × 529.34
  4. Step 4: Simplify right side
    1,916.23x = 1,521,306.14
  5. Step 5: Solve for x
    x = 1,521,306.14/1,916.23
  6. Step 6: Final answer
    x = 793.91

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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.