Home / 4,875.48-7,309.44-2,928.96

Finding the Fourth Proportional to 4,875.48, 7,309.44 and 2,928.96

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Solution

The fourth proportional to 4,875.48, 7,309.44 and 2,928.96 is: 4,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.48 : 7,309.44 = 2,928.96 : x
  2. Step 2: Convert to fraction form
    4,875.48/7,309.44 = 2,928.96/x
  3. Step 3: Cross multiply
    4,875.48x = 7,309.44 × 2,928.96
  4. Step 4: Simplify right side
    4,875.48x = 21,409,057.38
  5. Step 5: Solve for x
    x = 21,409,057.38/4,875.48
  6. Step 6: Final answer
    x = 4,391.17

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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.