Home / 5,900.81-8,856.69-2,981.16

Finding the Fourth Proportional to 5,900.81, 8,856.69 and 2,981.16

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Solution

The fourth proportional to 5,900.81, 8,856.69 and 2,981.16 is: 4,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.81 : 8,856.69 = 2,981.16 : x
  2. Step 2: Convert to fraction form
    5,900.81/8,856.69 = 2,981.16/x
  3. Step 3: Cross multiply
    5,900.81x = 8,856.69 × 2,981.16
  4. Step 4: Simplify right side
    5,900.81x = 26,403,209.96
  5. Step 5: Solve for x
    x = 26,403,209.96/5,900.81
  6. Step 6: Final answer
    x = 4,474.51

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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.