Home / 3,347.12-5,020.76-1,125.99

Finding the Fourth Proportional to 3,347.12, 5,020.76 and 1,125.99

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Solution

The fourth proportional to 3,347.12, 5,020.76 and 1,125.99 is: 1,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.12 : 5,020.76 = 1,125.99 : x
  2. Step 2: Convert to fraction form
    3,347.12/5,020.76 = 1,125.99/x
  3. Step 3: Cross multiply
    3,347.12x = 5,020.76 × 1,125.99
  4. Step 4: Simplify right side
    3,347.12x = 5,653,328.37
  5. Step 5: Solve for x
    x = 5,653,328.37/3,347.12
  6. Step 6: Final answer
    x = 1,689.01

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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.