Home / 6,361.02-8,778.74-3,529.08

Finding the Fourth Proportional to 6,361.02, 8,778.74 and 3,529.08

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Solution

The fourth proportional to 6,361.02, 8,778.74 and 3,529.08 is: 4,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.02 : 8,778.74 = 3,529.08 : x
  2. Step 2: Convert to fraction form
    6,361.02/8,778.74 = 3,529.08/x
  3. Step 3: Cross multiply
    6,361.02x = 8,778.74 × 3,529.08
  4. Step 4: Simplify right side
    6,361.02x = 30,980,858.11
  5. Step 5: Solve for x
    x = 30,980,858.11/6,361.02
  6. Step 6: Final answer
    x = 4,870.42

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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.