Home / 1,922.34-2,652.63-1,136.28

Finding the Fourth Proportional to 1,922.34, 2,652.63 and 1,136.28

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Solution

The fourth proportional to 1,922.34, 2,652.63 and 1,136.28 is: 1,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.34 : 2,652.63 = 1,136.28 : x
  2. Step 2: Convert to fraction form
    1,922.34/2,652.63 = 1,136.28/x
  3. Step 3: Cross multiply
    1,922.34x = 2,652.63 × 1,136.28
  4. Step 4: Simplify right side
    1,922.34x = 3,014,130.42
  5. Step 5: Solve for x
    x = 3,014,130.42/1,922.34
  6. Step 6: Final answer
    x = 1,567.95

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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.