Home / 3,750.85-5,172.83-2,423.16

Finding the Fourth Proportional to 3,750.85, 5,172.83 and 2,423.16

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Solution

The fourth proportional to 3,750.85, 5,172.83 and 2,423.16 is: 3,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.85 : 5,172.83 = 2,423.16 : x
  2. Step 2: Convert to fraction form
    3,750.85/5,172.83 = 2,423.16/x
  3. Step 3: Cross multiply
    3,750.85x = 5,172.83 × 2,423.16
  4. Step 4: Simplify right side
    3,750.85x = 12,534,600.80
  5. Step 5: Solve for x
    x = 12,534,600.80/3,750.85
  6. Step 6: Final answer
    x = 3,341.80

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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.