Home / 7,492.70-11,240.40-3,110.60

Finding the Fourth Proportional to 7,492.70, 11,240.40 and 3,110.60

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Solution

The fourth proportional to 7,492.70, 11,240.40 and 3,110.60 is: 4,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.70 : 11,240.40 = 3,110.60 : x
  2. Step 2: Convert to fraction form
    7,492.70/11,240.40 = 3,110.60/x
  3. Step 3: Cross multiply
    7,492.70x = 11,240.40 × 3,110.60
  4. Step 4: Simplify right side
    7,492.70x = 34,964,388.24
  5. Step 5: Solve for x
    x = 34,964,388.24/7,492.70
  6. Step 6: Final answer
    x = 4,666.46

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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.