Home / 3,688.88-5,088.84-2,273

Finding the Fourth Proportional to 3,688.88, 5,088.84 and 2,273

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Solution

The fourth proportional to 3,688.88, 5,088.84 and 2,273 is: 3,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.88 : 5,088.84 = 2,273 : x
  2. Step 2: Convert to fraction form
    3,688.88/5,088.84 = 2,273/x
  3. Step 3: Cross multiply
    3,688.88x = 5,088.84 × 2,273
  4. Step 4: Simplify right side
    3,688.88x = 11,566,933.32
  5. Step 5: Solve for x
    x = 11,566,933.32/3,688.88
  6. Step 6: Final answer
    x = 3,135.62

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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.