Home / 2,465.45-3,401.19-1,668.50

Finding the Fourth Proportional to 2,465.45, 3,401.19 and 1,668.50

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Solution

The fourth proportional to 2,465.45, 3,401.19 and 1,668.50 is: 2,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.45 : 3,401.19 = 1,668.50 : x
  2. Step 2: Convert to fraction form
    2,465.45/3,401.19 = 1,668.50/x
  3. Step 3: Cross multiply
    2,465.45x = 3,401.19 × 1,668.50
  4. Step 4: Simplify right side
    2,465.45x = 5,674,868.51
  5. Step 5: Solve for x
    x = 5,674,868.51/2,465.45
  6. Step 6: Final answer
    x = 2,301.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.