Home / 5,492.65-7,580.40-3,135.14

Finding the Fourth Proportional to 5,492.65, 7,580.40 and 3,135.14

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Solution

The fourth proportional to 5,492.65, 7,580.40 and 3,135.14 is: 4,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.65 : 7,580.40 = 3,135.14 : x
  2. Step 2: Convert to fraction form
    5,492.65/7,580.40 = 3,135.14/x
  3. Step 3: Cross multiply
    5,492.65x = 7,580.40 × 3,135.14
  4. Step 4: Simplify right side
    5,492.65x = 23,765,622.45
  5. Step 5: Solve for x
    x = 23,765,622.45/5,492.65
  6. Step 6: Final answer
    x = 4,326.81

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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.