Home / 2,816.37-4,223.53-966.99

Finding the Fourth Proportional to 2,816.37, 4,223.53 and 966.99

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Solution

The fourth proportional to 2,816.37, 4,223.53 and 966.99 is: 1,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.37 : 4,223.53 = 966.99 : x
  2. Step 2: Convert to fraction form
    2,816.37/4,223.53 = 966.99/x
  3. Step 3: Cross multiply
    2,816.37x = 4,223.53 × 966.99
  4. Step 4: Simplify right side
    2,816.37x = 4,084,111.27
  5. Step 5: Solve for x
    x = 4,084,111.27/2,816.37
  6. Step 6: Final answer
    x = 1,450.13

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1.5x scale

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.