Home / 5,423.76-8,136.73-2,303.74

Finding the Fourth Proportional to 5,423.76, 8,136.73 and 2,303.74

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Solution

The fourth proportional to 5,423.76, 8,136.73 and 2,303.74 is: 3,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.76 : 8,136.73 = 2,303.74 : x
  2. Step 2: Convert to fraction form
    5,423.76/8,136.73 = 2,303.74/x
  3. Step 3: Cross multiply
    5,423.76x = 8,136.73 × 2,303.74
  4. Step 4: Simplify right side
    5,423.76x = 18,744,910.37
  5. Step 5: Solve for x
    x = 18,744,910.37/5,423.76
  6. Step 6: Final answer
    x = 3,456.07

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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.