Home / 5,374.85-8,061.93-1,426.03

Finding the Fourth Proportional to 5,374.85, 8,061.93 and 1,426.03

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Solution

The fourth proportional to 5,374.85, 8,061.93 and 1,426.03 is: 2,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.85 : 8,061.93 = 1,426.03 : x
  2. Step 2: Convert to fraction form
    5,374.85/8,061.93 = 1,426.03/x
  3. Step 3: Cross multiply
    5,374.85x = 8,061.93 × 1,426.03
  4. Step 4: Simplify right side
    5,374.85x = 11,496,533.88
  5. Step 5: Solve for x
    x = 11,496,533.88/5,374.85
  6. Step 6: Final answer
    x = 2,138.95

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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.