Home / 5,134.74-7,700.84-1,436.02

Finding the Fourth Proportional to 5,134.74, 7,700.84 and 1,436.02

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Solution

The fourth proportional to 5,134.74, 7,700.84 and 1,436.02 is: 2,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.74 : 7,700.84 = 1,436.02 : x
  2. Step 2: Convert to fraction form
    5,134.74/7,700.84 = 1,436.02/x
  3. Step 3: Cross multiply
    5,134.74x = 7,700.84 × 1,436.02
  4. Step 4: Simplify right side
    5,134.74x = 11,058,560.26
  5. Step 5: Solve for x
    x = 11,058,560.26/5,134.74
  6. Step 6: Final answer
    x = 2,153.67

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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.