Home / 5,722.60-8,586.30-4,089.64

Finding the Fourth Proportional to 5,722.60, 8,586.30 and 4,089.64

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Solution

The fourth proportional to 5,722.60, 8,586.30 and 4,089.64 is: 6,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.60 : 8,586.30 = 4,089.64 : x
  2. Step 2: Convert to fraction form
    5,722.60/8,586.30 = 4,089.64/x
  3. Step 3: Cross multiply
    5,722.60x = 8,586.30 × 4,089.64
  4. Step 4: Simplify right side
    5,722.60x = 35,114,875.93
  5. Step 5: Solve for x
    x = 35,114,875.93/5,722.60
  6. Step 6: Final answer
    x = 6,136.18

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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.