Home / 5,848.09-8,771.19-2,148.40

Finding the Fourth Proportional to 5,848.09, 8,771.19 and 2,148.40

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Solution

The fourth proportional to 5,848.09, 8,771.19 and 2,148.40 is: 3,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.09 : 8,771.19 = 2,148.40 : x
  2. Step 2: Convert to fraction form
    5,848.09/8,771.19 = 2,148.40/x
  3. Step 3: Cross multiply
    5,848.09x = 8,771.19 × 2,148.40
  4. Step 4: Simplify right side
    5,848.09x = 18,844,024.60
  5. Step 5: Solve for x
    x = 18,844,024.60/5,848.09
  6. Step 6: Final answer
    x = 3,222.25

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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.