Home / 3,349.46-4,616.93-2,640.16

Finding the Fourth Proportional to 3,349.46, 4,616.93 and 2,640.16

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Solution

The fourth proportional to 3,349.46, 4,616.93 and 2,640.16 is: 3,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.46 : 4,616.93 = 2,640.16 : x
  2. Step 2: Convert to fraction form
    3,349.46/4,616.93 = 2,640.16/x
  3. Step 3: Cross multiply
    3,349.46x = 4,616.93 × 2,640.16
  4. Step 4: Simplify right side
    3,349.46x = 12,189,410.82
  5. Step 5: Solve for x
    x = 12,189,410.82/3,349.46
  6. Step 6: Final answer
    x = 3,639.21

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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.