Home / 3,860.53-5,327.53-2,181.94

Finding the Fourth Proportional to 3,860.53, 5,327.53 and 2,181.94

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Solution

The fourth proportional to 3,860.53, 5,327.53 and 2,181.94 is: 3,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.53 : 5,327.53 = 2,181.94 : x
  2. Step 2: Convert to fraction form
    3,860.53/5,327.53 = 2,181.94/x
  3. Step 3: Cross multiply
    3,860.53x = 5,327.53 × 2,181.94
  4. Step 4: Simplify right side
    3,860.53x = 11,624,350.81
  5. Step 5: Solve for x
    x = 11,624,350.81/3,860.53
  6. Step 6: Final answer
    x = 3,011.08

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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.