Home / 2,025.50-3,038.10-929.56

Finding the Fourth Proportional to 2,025.50, 3,038.10 and 929.56

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Solution

The fourth proportional to 2,025.50, 3,038.10 and 929.56 is: 1,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.50 : 3,038.10 = 929.56 : x
  2. Step 2: Convert to fraction form
    2,025.50/3,038.10 = 929.56/x
  3. Step 3: Cross multiply
    2,025.50x = 3,038.10 × 929.56
  4. Step 4: Simplify right side
    2,025.50x = 2,824,096.24
  5. Step 5: Solve for x
    x = 2,824,096.24/2,025.50
  6. Step 6: Final answer
    x = 1,394.27

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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.