Home / 5,903.28-8,146.32-3,214.38

Finding the Fourth Proportional to 5,903.28, 8,146.32 and 3,214.38

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Solution

The fourth proportional to 5,903.28, 8,146.32 and 3,214.38 is: 4,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.28 : 8,146.32 = 3,214.38 : x
  2. Step 2: Convert to fraction form
    5,903.28/8,146.32 = 3,214.38/x
  3. Step 3: Cross multiply
    5,903.28x = 8,146.32 × 3,214.38
  4. Step 4: Simplify right side
    5,903.28x = 26,185,368.08
  5. Step 5: Solve for x
    x = 26,185,368.08/5,903.28
  6. Step 6: Final answer
    x = 4,435.73

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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.