Home / 5,174.64-7,762.05-1,711.98

Finding the Fourth Proportional to 5,174.64, 7,762.05 and 1,711.98

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Solution

The fourth proportional to 5,174.64, 7,762.05 and 1,711.98 is: 2,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.64 : 7,762.05 = 1,711.98 : x
  2. Step 2: Convert to fraction form
    5,174.64/7,762.05 = 1,711.98/x
  3. Step 3: Cross multiply
    5,174.64x = 7,762.05 × 1,711.98
  4. Step 4: Simplify right side
    5,174.64x = 13,288,474.36
  5. Step 5: Solve for x
    x = 13,288,474.36/5,174.64
  6. Step 6: Final answer
    x = 2,568.00

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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.