Home / 3,509.69-4,838.22-2,513.21

Finding the Fourth Proportional to 3,509.69, 4,838.22 and 2,513.21

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Solution

The fourth proportional to 3,509.69, 4,838.22 and 2,513.21 is: 3,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.69 : 4,838.22 = 2,513.21 : x
  2. Step 2: Convert to fraction form
    3,509.69/4,838.22 = 2,513.21/x
  3. Step 3: Cross multiply
    3,509.69x = 4,838.22 × 2,513.21
  4. Step 4: Simplify right side
    3,509.69x = 12,159,438.70
  5. Step 5: Solve for x
    x = 12,159,438.70/3,509.69
  6. Step 6: Final answer
    x = 3,464.54

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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.