Home / 2,950.14-4,071.10-1,605.68

Finding the Fourth Proportional to 2,950.14, 4,071.10 and 1,605.68

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Solution

The fourth proportional to 2,950.14, 4,071.10 and 1,605.68 is: 2,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.14 : 4,071.10 = 1,605.68 : x
  2. Step 2: Convert to fraction form
    2,950.14/4,071.10 = 1,605.68/x
  3. Step 3: Cross multiply
    2,950.14x = 4,071.10 × 1,605.68
  4. Step 4: Simplify right side
    2,950.14x = 6,536,883.85
  5. Step 5: Solve for x
    x = 6,536,883.85/2,950.14
  6. Step 6: Final answer
    x = 2,215.79

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1.5x scale

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.