Home / 1,509.40-2,264.12-1,096.56

Finding the Fourth Proportional to 1,509.40, 2,264.12 and 1,096.56

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Solution

The fourth proportional to 1,509.40, 2,264.12 and 1,096.56 is: 1,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.40 : 2,264.12 = 1,096.56 : x
  2. Step 2: Convert to fraction form
    1,509.40/2,264.12 = 1,096.56/x
  3. Step 3: Cross multiply
    1,509.40x = 2,264.12 × 1,096.56
  4. Step 4: Simplify right side
    1,509.40x = 2,482,743.43
  5. Step 5: Solve for x
    x = 2,482,743.43/1,509.40
  6. Step 6: Final answer
    x = 1,644.85

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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.