Home / 7,848.70-11,771.75-2,583.77

Finding the Fourth Proportional to 7,848.70, 11,771.75 and 2,583.77

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Solution

The fourth proportional to 7,848.70, 11,771.75 and 2,583.77 is: 3,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.70 : 11,771.75 = 2,583.77 : x
  2. Step 2: Convert to fraction form
    7,848.70/11,771.75 = 2,583.77/x
  3. Step 3: Cross multiply
    7,848.70x = 11,771.75 × 2,583.77
  4. Step 4: Simplify right side
    7,848.70x = 30,415,494.50
  5. Step 5: Solve for x
    x = 30,415,494.50/7,848.70
  6. Step 6: Final answer
    x = 3,875.23

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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.