Home / 2,957.99-4,431.77-2,636.22

Finding the Fourth Proportional to 2,957.99, 4,431.77 and 2,636.22

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Solution

The fourth proportional to 2,957.99, 4,431.77 and 2,636.22 is: 3,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.99 : 4,431.77 = 2,636.22 : x
  2. Step 2: Convert to fraction form
    2,957.99/4,431.77 = 2,636.22/x
  3. Step 3: Cross multiply
    2,957.99x = 4,431.77 × 2,636.22
  4. Step 4: Simplify right side
    2,957.99x = 11,683,107.53
  5. Step 5: Solve for x
    x = 11,683,107.53/2,957.99
  6. Step 6: Final answer
    x = 3,949.67

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1.5x scale

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.