Home / 2,697.95-3,723.20-1,518.99

Finding the Fourth Proportional to 2,697.95, 3,723.20 and 1,518.99

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Solution

The fourth proportional to 2,697.95, 3,723.20 and 1,518.99 is: 2,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.95 : 3,723.20 = 1,518.99 : x
  2. Step 2: Convert to fraction form
    2,697.95/3,723.20 = 1,518.99/x
  3. Step 3: Cross multiply
    2,697.95x = 3,723.20 × 1,518.99
  4. Step 4: Simplify right side
    2,697.95x = 5,655,495.97
  5. Step 5: Solve for x
    x = 5,655,495.97/2,697.95
  6. Step 6: Final answer
    x = 2,096.22

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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.