Home / 2,199.21-3,032.62-1,885.53

Finding the Fourth Proportional to 2,199.21, 3,032.62 and 1,885.53

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Solution

The fourth proportional to 2,199.21, 3,032.62 and 1,885.53 is: 2,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.21 : 3,032.62 = 1,885.53 : x
  2. Step 2: Convert to fraction form
    2,199.21/3,032.62 = 1,885.53/x
  3. Step 3: Cross multiply
    2,199.21x = 3,032.62 × 1,885.53
  4. Step 4: Simplify right side
    2,199.21x = 5,718,095.99
  5. Step 5: Solve for x
    x = 5,718,095.99/2,199.21
  6. Step 6: Final answer
    x = 2,600.07

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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.