Home / 5,271.84-7,907.76-1,761.84

Finding the Fourth Proportional to 5,271.84, 7,907.76 and 1,761.84

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Solution

The fourth proportional to 5,271.84, 7,907.76 and 1,761.84 is: 2,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.84 : 7,907.76 = 1,761.84 : x
  2. Step 2: Convert to fraction form
    5,271.84/7,907.76 = 1,761.84/x
  3. Step 3: Cross multiply
    5,271.84x = 7,907.76 × 1,761.84
  4. Step 4: Simplify right side
    5,271.84x = 13,932,207.88
  5. Step 5: Solve for x
    x = 13,932,207.88/5,271.84
  6. Step 6: Final answer
    x = 2,642.76

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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.