Home / 3,370.12-5,055.20-1,030.12

Finding the Fourth Proportional to 3,370.12, 5,055.20 and 1,030.12

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Solution

The fourth proportional to 3,370.12, 5,055.20 and 1,030.12 is: 1,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.12 : 5,055.20 = 1,030.12 : x
  2. Step 2: Convert to fraction form
    3,370.12/5,055.20 = 1,030.12/x
  3. Step 3: Cross multiply
    3,370.12x = 5,055.20 × 1,030.12
  4. Step 4: Simplify right side
    3,370.12x = 5,207,460.08
  5. Step 5: Solve for x
    x = 5,207,460.08/3,370.12
  6. Step 6: Final answer
    x = 1,545.18

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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.