Home / 3,140.67-4,710.03-1,060.22

Finding the Fourth Proportional to 3,140.67, 4,710.03 and 1,060.22

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Solution

The fourth proportional to 3,140.67, 4,710.03 and 1,060.22 is: 1,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.67 : 4,710.03 = 1,060.22 : x
  2. Step 2: Convert to fraction form
    3,140.67/4,710.03 = 1,060.22/x
  3. Step 3: Cross multiply
    3,140.67x = 4,710.03 × 1,060.22
  4. Step 4: Simplify right side
    3,140.67x = 4,993,644.46
  5. Step 5: Solve for x
    x = 4,993,644.46/3,140.67
  6. Step 6: Final answer
    x = 1,589.99

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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.