Home / 2,483.48-3,423.78-2,406.80

Finding the Fourth Proportional to 2,483.48, 3,423.78 and 2,406.80

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Solution

The fourth proportional to 2,483.48, 3,423.78 and 2,406.80 is: 3,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.48 : 3,423.78 = 2,406.80 : x
  2. Step 2: Convert to fraction form
    2,483.48/3,423.78 = 2,406.80/x
  3. Step 3: Cross multiply
    2,483.48x = 3,423.78 × 2,406.80
  4. Step 4: Simplify right side
    2,483.48x = 8,240,353.70
  5. Step 5: Solve for x
    x = 8,240,353.70/2,483.48
  6. Step 6: Final answer
    x = 3,318.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.