Home / 5,846.40-8,770.80-2,148.48

Finding the Fourth Proportional to 5,846.40, 8,770.80 and 2,148.48

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Solution

The fourth proportional to 5,846.40, 8,770.80 and 2,148.48 is: 3,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,846.40 : 8,770.80 = 2,148.48 : x
  2. Step 2: Convert to fraction form
    5,846.40/8,770.80 = 2,148.48/x
  3. Step 3: Cross multiply
    5,846.40x = 8,770.80 × 2,148.48
  4. Step 4: Simplify right side
    5,846.40x = 18,843,888.38
  5. Step 5: Solve for x
    x = 18,843,888.38/5,846.40
  6. Step 6: Final answer
    x = 3,223.16

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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.