Home / 5,476.08-8,214.16-2,190

Finding the Fourth Proportional to 5,476.08, 8,214.16 and 2,190

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Solution

The fourth proportional to 5,476.08, 8,214.16 and 2,190 is: 3,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.08 : 8,214.16 = 2,190 : x
  2. Step 2: Convert to fraction form
    5,476.08/8,214.16 = 2,190/x
  3. Step 3: Cross multiply
    5,476.08x = 8,214.16 × 2,190
  4. Step 4: Simplify right side
    5,476.08x = 17,989,010.40
  5. Step 5: Solve for x
    x = 17,989,010.40/5,476.08
  6. Step 6: Final answer
    x = 3,285.02

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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.