Home / 4,848.26-7,271.78-1,561.55

Finding the Fourth Proportional to 4,848.26, 7,271.78 and 1,561.55

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Solution

The fourth proportional to 4,848.26, 7,271.78 and 1,561.55 is: 2,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.26 : 7,271.78 = 1,561.55 : x
  2. Step 2: Convert to fraction form
    4,848.26/7,271.78 = 1,561.55/x
  3. Step 3: Cross multiply
    4,848.26x = 7,271.78 × 1,561.55
  4. Step 4: Simplify right side
    4,848.26x = 11,355,203.89
  5. Step 5: Solve for x
    x = 11,355,203.89/4,848.26
  6. Step 6: Final answer
    x = 2,342.12

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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.