Home / 4,961.84-6,847.08-3,390.32

Finding the Fourth Proportional to 4,961.84, 6,847.08 and 3,390.32

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Solution

The fourth proportional to 4,961.84, 6,847.08 and 3,390.32 is: 4,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.84 : 6,847.08 = 3,390.32 : x
  2. Step 2: Convert to fraction form
    4,961.84/6,847.08 = 3,390.32/x
  3. Step 3: Cross multiply
    4,961.84x = 6,847.08 × 3,390.32
  4. Step 4: Simplify right side
    4,961.84x = 23,213,792.27
  5. Step 5: Solve for x
    x = 23,213,792.27/4,961.84
  6. Step 6: Final answer
    x = 4,678.46

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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.