Home / 7,783.48-11,669.46-2,587.96

Finding the Fourth Proportional to 7,783.48, 11,669.46 and 2,587.96

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Solution

The fourth proportional to 7,783.48, 11,669.46 and 2,587.96 is: 3,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.48 : 11,669.46 = 2,587.96 : x
  2. Step 2: Convert to fraction form
    7,783.48/11,669.46 = 2,587.96/x
  3. Step 3: Cross multiply
    7,783.48x = 11,669.46 × 2,587.96
  4. Step 4: Simplify right side
    7,783.48x = 30,200,095.70
  5. Step 5: Solve for x
    x = 30,200,095.70/7,783.48
  6. Step 6: Final answer
    x = 3,880.02

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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.