Home / 1,822.53-2,514.98-1,076.21

Finding the Fourth Proportional to 1,822.53, 2,514.98 and 1,076.21

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Solution

The fourth proportional to 1,822.53, 2,514.98 and 1,076.21 is: 1,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.53 : 2,514.98 = 1,076.21 : x
  2. Step 2: Convert to fraction form
    1,822.53/2,514.98 = 1,076.21/x
  3. Step 3: Cross multiply
    1,822.53x = 2,514.98 × 1,076.21
  4. Step 4: Simplify right side
    1,822.53x = 2,706,655.60
  5. Step 5: Solve for x
    x = 2,706,655.60/1,822.53
  6. Step 6: Final answer
    x = 1,485.11

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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.