Home / 1,716.18-2,573.61-619.98

Finding the Fourth Proportional to 1,716.18, 2,573.61 and 619.98

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Solution

The fourth proportional to 1,716.18, 2,573.61 and 619.98 is: 929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.18 : 2,573.61 = 619.98 : x
  2. Step 2: Convert to fraction form
    1,716.18/2,573.61 = 619.98/x
  3. Step 3: Cross multiply
    1,716.18x = 2,573.61 × 619.98
  4. Step 4: Simplify right side
    1,716.18x = 1,595,586.73
  5. Step 5: Solve for x
    x = 1,595,586.73/1,716.18
  6. Step 6: Final answer
    x = 929.73

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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.