Home / 7,382.60-10,188-4,025.48

Finding the Fourth Proportional to 7,382.60, 10,188 and 4,025.48

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Solution

The fourth proportional to 7,382.60, 10,188 and 4,025.48 is: 5,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.60 : 10,188 = 4,025.48 : x
  2. Step 2: Convert to fraction form
    7,382.60/10,188 = 4,025.48/x
  3. Step 3: Cross multiply
    7,382.60x = 10,188 × 4,025.48
  4. Step 4: Simplify right side
    7,382.60x = 41,011,590.24
  5. Step 5: Solve for x
    x = 41,011,590.24/7,382.60
  6. Step 6: Final answer
    x = 5,555.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.