Home / 2,315.58-3,472.75-1,082.35

Finding the Fourth Proportional to 2,315.58, 3,472.75 and 1,082.35

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Solution

The fourth proportional to 2,315.58, 3,472.75 and 1,082.35 is: 1,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.58 : 3,472.75 = 1,082.35 : x
  2. Step 2: Convert to fraction form
    2,315.58/3,472.75 = 1,082.35/x
  3. Step 3: Cross multiply
    2,315.58x = 3,472.75 × 1,082.35
  4. Step 4: Simplify right side
    2,315.58x = 3,758,730.96
  5. Step 5: Solve for x
    x = 3,758,730.96/2,315.58
  6. Step 6: Final answer
    x = 1,623.24

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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.