Home / 3,475.90-5,214.30-1,135.08

Finding the Fourth Proportional to 3,475.90, 5,214.30 and 1,135.08

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Solution

The fourth proportional to 3,475.90, 5,214.30 and 1,135.08 is: 1,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.90 : 5,214.30 = 1,135.08 : x
  2. Step 2: Convert to fraction form
    3,475.90/5,214.30 = 1,135.08/x
  3. Step 3: Cross multiply
    3,475.90x = 5,214.30 × 1,135.08
  4. Step 4: Simplify right side
    3,475.90x = 5,918,647.64
  5. Step 5: Solve for x
    x = 5,918,647.64/3,475.90
  6. Step 6: Final answer
    x = 1,702.77

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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.