Home / 3,065.42-4,230.24-1,668.18

Finding the Fourth Proportional to 3,065.42, 4,230.24 and 1,668.18

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Solution

The fourth proportional to 3,065.42, 4,230.24 and 1,668.18 is: 2,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.42 : 4,230.24 = 1,668.18 : x
  2. Step 2: Convert to fraction form
    3,065.42/4,230.24 = 1,668.18/x
  3. Step 3: Cross multiply
    3,065.42x = 4,230.24 × 1,668.18
  4. Step 4: Simplify right side
    3,065.42x = 7,056,801.76
  5. Step 5: Solve for x
    x = 7,056,801.76/3,065.42
  6. Step 6: Final answer
    x = 2,302.07

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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.