Home / 5,261.08-7,890.69-1,750.74

Finding the Fourth Proportional to 5,261.08, 7,890.69 and 1,750.74

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Solution

The fourth proportional to 5,261.08, 7,890.69 and 1,750.74 is: 2,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.08 : 7,890.69 = 1,750.74 : x
  2. Step 2: Convert to fraction form
    5,261.08/7,890.69 = 1,750.74/x
  3. Step 3: Cross multiply
    5,261.08x = 7,890.69 × 1,750.74
  4. Step 4: Simplify right side
    5,261.08x = 13,814,537.86
  5. Step 5: Solve for x
    x = 13,814,537.86/5,261.08
  6. Step 6: Final answer
    x = 2,625.80

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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.