Home / 7,630.08-11,449.37-4,120.01

Finding the Fourth Proportional to 7,630.08, 11,449.37 and 4,120.01

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Solution

The fourth proportional to 7,630.08, 11,449.37 and 4,120.01 is: 6,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.08 : 11,449.37 = 4,120.01 : x
  2. Step 2: Convert to fraction form
    7,630.08/11,449.37 = 4,120.01/x
  3. Step 3: Cross multiply
    7,630.08x = 11,449.37 × 4,120.01
  4. Step 4: Simplify right side
    7,630.08x = 47,171,491.71
  5. Step 5: Solve for x
    x = 47,171,491.71/7,630.08
  6. Step 6: Final answer
    x = 6,182.31

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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.