Home / 1,656.94-2,478.57-1,361.11

Finding the Fourth Proportional to 1,656.94, 2,478.57 and 1,361.11

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Solution

The fourth proportional to 1,656.94, 2,478.57 and 1,361.11 is: 2,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.94 : 2,478.57 = 1,361.11 : x
  2. Step 2: Convert to fraction form
    1,656.94/2,478.57 = 1,361.11/x
  3. Step 3: Cross multiply
    1,656.94x = 2,478.57 × 1,361.11
  4. Step 4: Simplify right side
    1,656.94x = 3,373,606.41
  5. Step 5: Solve for x
    x = 3,373,606.41/1,656.94
  6. Step 6: Final answer
    x = 2,036.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.