Home / 3,223.13-4,445.48-2,230.07

Finding the Fourth Proportional to 3,223.13, 4,445.48 and 2,230.07

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Solution

The fourth proportional to 3,223.13, 4,445.48 and 2,230.07 is: 3,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.13 : 4,445.48 = 2,230.07 : x
  2. Step 2: Convert to fraction form
    3,223.13/4,445.48 = 2,230.07/x
  3. Step 3: Cross multiply
    3,223.13x = 4,445.48 × 2,230.07
  4. Step 4: Simplify right side
    3,223.13x = 9,913,714.93
  5. Step 5: Solve for x
    x = 9,913,714.93/3,223.13
  6. Step 6: Final answer
    x = 3,075.81

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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.