Home / 1,623.85-2,244.05-1,230.19

Finding the Fourth Proportional to 1,623.85, 2,244.05 and 1,230.19

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Solution

The fourth proportional to 1,623.85, 2,244.05 and 1,230.19 is: 1,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.85 : 2,244.05 = 1,230.19 : x
  2. Step 2: Convert to fraction form
    1,623.85/2,244.05 = 1,230.19/x
  3. Step 3: Cross multiply
    1,623.85x = 2,244.05 × 1,230.19
  4. Step 4: Simplify right side
    1,623.85x = 2,760,607.87
  5. Step 5: Solve for x
    x = 2,760,607.87/1,623.85
  6. Step 6: Final answer
    x = 1,700.04

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Half scale
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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.