Home / 5,082.32-7,619.84-2,307.61

Finding the Fourth Proportional to 5,082.32, 7,619.84 and 2,307.61

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Solution

The fourth proportional to 5,082.32, 7,619.84 and 2,307.61 is: 3,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.32 : 7,619.84 = 2,307.61 : x
  2. Step 2: Convert to fraction form
    5,082.32/7,619.84 = 2,307.61/x
  3. Step 3: Cross multiply
    5,082.32x = 7,619.84 × 2,307.61
  4. Step 4: Simplify right side
    5,082.32x = 17,583,569.35
  5. Step 5: Solve for x
    x = 17,583,569.35/5,082.32
  6. Step 6: Final answer
    x = 3,459.75

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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.