Home / 5,827.66-8,740.40-1,931.56

Finding the Fourth Proportional to 5,827.66, 8,740.40 and 1,931.56

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Solution

The fourth proportional to 5,827.66, 8,740.40 and 1,931.56 is: 2,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.66 : 8,740.40 = 1,931.56 : x
  2. Step 2: Convert to fraction form
    5,827.66/8,740.40 = 1,931.56/x
  3. Step 3: Cross multiply
    5,827.66x = 8,740.40 × 1,931.56
  4. Step 4: Simplify right side
    5,827.66x = 16,882,575.52
  5. Step 5: Solve for x
    x = 16,882,575.52/5,827.66
  6. Step 6: Final answer
    x = 2,896.97

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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.