Home / 5,826.89-8,740.53-1,931.18

Finding the Fourth Proportional to 5,826.89, 8,740.53 and 1,931.18

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Solution

The fourth proportional to 5,826.89, 8,740.53 and 1,931.18 is: 2,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.89 : 8,740.53 = 1,931.18 : x
  2. Step 2: Convert to fraction form
    5,826.89/8,740.53 = 1,931.18/x
  3. Step 3: Cross multiply
    5,826.89x = 8,740.53 × 1,931.18
  4. Step 4: Simplify right side
    5,826.89x = 16,879,536.73
  5. Step 5: Solve for x
    x = 16,879,536.73/5,826.89
  6. Step 6: Final answer
    x = 2,896.83

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1.5x scale

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.