Home / 5,038-6,953.16-3,174.64

Finding the Fourth Proportional to 5,038, 6,953.16 and 3,174.64

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Solution

The fourth proportional to 5,038, 6,953.16 and 3,174.64 is: 4,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038 : 6,953.16 = 3,174.64 : x
  2. Step 2: Convert to fraction form
    5,038/6,953.16 = 3,174.64/x
  3. Step 3: Cross multiply
    5,038x = 6,953.16 × 3,174.64
  4. Step 4: Simplify right side
    5,038x = 22,073,779.86
  5. Step 5: Solve for x
    x = 22,073,779.86/5,038
  6. Step 6: Final answer
    x = 4,381.46

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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.