Home / 5,828.14-8,740.32-1,931.50

Finding the Fourth Proportional to 5,828.14, 8,740.32 and 1,931.50

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Solution

The fourth proportional to 5,828.14, 8,740.32 and 1,931.50 is: 2,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.14 : 8,740.32 = 1,931.50 : x
  2. Step 2: Convert to fraction form
    5,828.14/8,740.32 = 1,931.50/x
  3. Step 3: Cross multiply
    5,828.14x = 8,740.32 × 1,931.50
  4. Step 4: Simplify right side
    5,828.14x = 16,881,928.08
  5. Step 5: Solve for x
    x = 16,881,928.08/5,828.14
  6. Step 6: Final answer
    x = 2,896.62

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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.