Home / 5,383.66-8,075.25-1,874.45

Finding the Fourth Proportional to 5,383.66, 8,075.25 and 1,874.45

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Solution

The fourth proportional to 5,383.66, 8,075.25 and 1,874.45 is: 2,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.66 : 8,075.25 = 1,874.45 : x
  2. Step 2: Convert to fraction form
    5,383.66/8,075.25 = 1,874.45/x
  3. Step 3: Cross multiply
    5,383.66x = 8,075.25 × 1,874.45
  4. Step 4: Simplify right side
    5,383.66x = 15,136,652.36
  5. Step 5: Solve for x
    x = 15,136,652.36/5,383.66
  6. Step 6: Final answer
    x = 2,811.59

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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.