Home / 3,585.84-5,380.20-1,395.24

Finding the Fourth Proportional to 3,585.84, 5,380.20 and 1,395.24

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Solution

The fourth proportional to 3,585.84, 5,380.20 and 1,395.24 is: 2,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.84 : 5,380.20 = 1,395.24 : x
  2. Step 2: Convert to fraction form
    3,585.84/5,380.20 = 1,395.24/x
  3. Step 3: Cross multiply
    3,585.84x = 5,380.20 × 1,395.24
  4. Step 4: Simplify right side
    3,585.84x = 7,506,670.25
  5. Step 5: Solve for x
    x = 7,506,670.25/3,585.84
  6. Step 6: Final answer
    x = 2,093.42

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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.