Home / 5,585.63-8,380.36-3,719.01

Finding the Fourth Proportional to 5,585.63, 8,380.36 and 3,719.01

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Solution

The fourth proportional to 5,585.63, 8,380.36 and 3,719.01 is: 5,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.63 : 8,380.36 = 3,719.01 : x
  2. Step 2: Convert to fraction form
    5,585.63/8,380.36 = 3,719.01/x
  3. Step 3: Cross multiply
    5,585.63x = 8,380.36 × 3,719.01
  4. Step 4: Simplify right side
    5,585.63x = 31,166,678.72
  5. Step 5: Solve for x
    x = 31,166,678.72/5,585.63
  6. Step 6: Final answer
    x = 5,579.80

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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.