Home / 2,123.03-2,929.41-1,283.87

Finding the Fourth Proportional to 2,123.03, 2,929.41 and 1,283.87

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Solution

The fourth proportional to 2,123.03, 2,929.41 and 1,283.87 is: 1,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.03 : 2,929.41 = 1,283.87 : x
  2. Step 2: Convert to fraction form
    2,123.03/2,929.41 = 1,283.87/x
  3. Step 3: Cross multiply
    2,123.03x = 2,929.41 × 1,283.87
  4. Step 4: Simplify right side
    2,123.03x = 3,760,981.62
  5. Step 5: Solve for x
    x = 3,760,981.62/2,123.03
  6. Step 6: Final answer
    x = 1,771.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.