Home / 4,712.63-7,070.11-3,328.68

Finding the Fourth Proportional to 4,712.63, 7,070.11 and 3,328.68

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Solution

The fourth proportional to 4,712.63, 7,070.11 and 3,328.68 is: 4,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.63 : 7,070.11 = 3,328.68 : x
  2. Step 2: Convert to fraction form
    4,712.63/7,070.11 = 3,328.68/x
  3. Step 3: Cross multiply
    4,712.63x = 7,070.11 × 3,328.68
  4. Step 4: Simplify right side
    4,712.63x = 23,534,133.75
  5. Step 5: Solve for x
    x = 23,534,133.75/4,712.63
  6. Step 6: Final answer
    x = 4,993.84

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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.