Home / 4,816.58-7,213.06-3,978.51

Finding the Fourth Proportional to 4,816.58, 7,213.06 and 3,978.51

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Solution

The fourth proportional to 4,816.58, 7,213.06 and 3,978.51 is: 5,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.58 : 7,213.06 = 3,978.51 : x
  2. Step 2: Convert to fraction form
    4,816.58/7,213.06 = 3,978.51/x
  3. Step 3: Cross multiply
    4,816.58x = 7,213.06 × 3,978.51
  4. Step 4: Simplify right side
    4,816.58x = 28,697,209.26
  5. Step 5: Solve for x
    x = 28,697,209.26/4,816.58
  6. Step 6: Final answer
    x = 5,958.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.