Home / 5,731.35-8,586.69-2,803.20

Finding the Fourth Proportional to 5,731.35, 8,586.69 and 2,803.20

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Solution

The fourth proportional to 5,731.35, 8,586.69 and 2,803.20 is: 4,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.35 : 8,586.69 = 2,803.20 : x
  2. Step 2: Convert to fraction form
    5,731.35/8,586.69 = 2,803.20/x
  3. Step 3: Cross multiply
    5,731.35x = 8,586.69 × 2,803.20
  4. Step 4: Simplify right side
    5,731.35x = 24,070,209.41
  5. Step 5: Solve for x
    x = 24,070,209.41/5,731.35
  6. Step 6: Final answer
    x = 4,199.75

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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.