Home / 5,921.16-8,173.64-4,038.96

Finding the Fourth Proportional to 5,921.16, 8,173.64 and 4,038.96

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Solution

The fourth proportional to 5,921.16, 8,173.64 and 4,038.96 is: 5,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.16 : 8,173.64 = 4,038.96 : x
  2. Step 2: Convert to fraction form
    5,921.16/8,173.64 = 4,038.96/x
  3. Step 3: Cross multiply
    5,921.16x = 8,173.64 × 4,038.96
  4. Step 4: Simplify right side
    5,921.16x = 33,013,005.01
  5. Step 5: Solve for x
    x = 33,013,005.01/5,921.16
  6. Step 6: Final answer
    x = 5,575.43

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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.