Home / 1,822.50-2,514.65-1,076.49

Finding the Fourth Proportional to 1,822.50, 2,514.65 and 1,076.49

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Solution

The fourth proportional to 1,822.50, 2,514.65 and 1,076.49 is: 1,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.50 : 2,514.65 = 1,076.49 : x
  2. Step 2: Convert to fraction form
    1,822.50/2,514.65 = 1,076.49/x
  3. Step 3: Cross multiply
    1,822.50x = 2,514.65 × 1,076.49
  4. Step 4: Simplify right side
    1,822.50x = 2,706,990.20
  5. Step 5: Solve for x
    x = 2,706,990.20/1,822.50
  6. Step 6: Final answer
    x = 1,485.32

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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.