Home / 3,847.96-5,307.55-2,356.62

Finding the Fourth Proportional to 3,847.96, 5,307.55 and 2,356.62

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Solution

The fourth proportional to 3,847.96, 5,307.55 and 2,356.62 is: 3,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.96 : 5,307.55 = 2,356.62 : x
  2. Step 2: Convert to fraction form
    3,847.96/5,307.55 = 2,356.62/x
  3. Step 3: Cross multiply
    3,847.96x = 5,307.55 × 2,356.62
  4. Step 4: Simplify right side
    3,847.96x = 12,507,878.48
  5. Step 5: Solve for x
    x = 12,507,878.48/3,847.96
  6. Step 6: Final answer
    x = 3,250.52

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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.