Home / 5,093.16-7,639.89-2,318.40

Finding the Fourth Proportional to 5,093.16, 7,639.89 and 2,318.40

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Solution

The fourth proportional to 5,093.16, 7,639.89 and 2,318.40 is: 3,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.16 : 7,639.89 = 2,318.40 : x
  2. Step 2: Convert to fraction form
    5,093.16/7,639.89 = 2,318.40/x
  3. Step 3: Cross multiply
    5,093.16x = 7,639.89 × 2,318.40
  4. Step 4: Simplify right side
    5,093.16x = 17,712,309.38
  5. Step 5: Solve for x
    x = 17,712,309.38/5,093.16
  6. Step 6: Final answer
    x = 3,477.67

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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.