Home / 4,724.76-7,088.19-1,438.14

Finding the Fourth Proportional to 4,724.76, 7,088.19 and 1,438.14

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Solution

The fourth proportional to 4,724.76, 7,088.19 and 1,438.14 is: 2,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.76 : 7,088.19 = 1,438.14 : x
  2. Step 2: Convert to fraction form
    4,724.76/7,088.19 = 1,438.14/x
  3. Step 3: Cross multiply
    4,724.76x = 7,088.19 × 1,438.14
  4. Step 4: Simplify right side
    4,724.76x = 10,193,809.57
  5. Step 5: Solve for x
    x = 10,193,809.57/4,724.76
  6. Step 6: Final answer
    x = 2,157.53

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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.