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Finding the Fourth Proportional to 5,368.32, 8,055.90 and 3,903.84

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Solution

The fourth proportional to 5,368.32, 8,055.90 and 3,903.84 is: 5,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.32 : 8,055.90 = 3,903.84 : x
  2. Step 2: Convert to fraction form
    5,368.32/8,055.90 = 3,903.84/x
  3. Step 3: Cross multiply
    5,368.32x = 8,055.90 × 3,903.84
  4. Step 4: Simplify right side
    5,368.32x = 31,448,944.66
  5. Step 5: Solve for x
    x = 31,448,944.66/5,368.32
  6. Step 6: Final answer
    x = 5,858.25

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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.