Home / 3,813.75-5,262.98-2,242.76

Finding the Fourth Proportional to 3,813.75, 5,262.98 and 2,242.76

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Solution

The fourth proportional to 3,813.75, 5,262.98 and 2,242.76 is: 3,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.75 : 5,262.98 = 2,242.76 : x
  2. Step 2: Convert to fraction form
    3,813.75/5,262.98 = 2,242.76/x
  3. Step 3: Cross multiply
    3,813.75x = 5,262.98 × 2,242.76
  4. Step 4: Simplify right side
    3,813.75x = 11,803,563.50
  5. Step 5: Solve for x
    x = 11,803,563.50/3,813.75
  6. Step 6: Final answer
    x = 3,095.00

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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.