Home / 4,274-6,403.72-3,035.28

Finding the Fourth Proportional to 4,274, 6,403.72 and 3,035.28

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Solution

The fourth proportional to 4,274, 6,403.72 and 3,035.28 is: 4,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274 : 6,403.72 = 3,035.28 : x
  2. Step 2: Convert to fraction form
    4,274/6,403.72 = 3,035.28/x
  3. Step 3: Cross multiply
    4,274x = 6,403.72 × 3,035.28
  4. Step 4: Simplify right side
    4,274x = 19,437,083.24
  5. Step 5: Solve for x
    x = 19,437,083.24/4,274
  6. Step 6: Final answer
    x = 4,547.75

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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.