Home / 5,134.91-7,701.23-1,436.15

Finding the Fourth Proportional to 5,134.91, 7,701.23 and 1,436.15

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Solution

The fourth proportional to 5,134.91, 7,701.23 and 1,436.15 is: 2,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.91 : 7,701.23 = 1,436.15 : x
  2. Step 2: Convert to fraction form
    5,134.91/7,701.23 = 1,436.15/x
  3. Step 3: Cross multiply
    5,134.91x = 7,701.23 × 1,436.15
  4. Step 4: Simplify right side
    5,134.91x = 11,060,075.78
  5. Step 5: Solve for x
    x = 11,060,075.78/5,134.91
  6. Step 6: Final answer
    x = 2,153.90

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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.