Home / 3,030.96-4,182.75-1,668.27

Finding the Fourth Proportional to 3,030.96, 4,182.75 and 1,668.27

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Solution

The fourth proportional to 3,030.96, 4,182.75 and 1,668.27 is: 2,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.96 : 4,182.75 = 1,668.27 : x
  2. Step 2: Convert to fraction form
    3,030.96/4,182.75 = 1,668.27/x
  3. Step 3: Cross multiply
    3,030.96x = 4,182.75 × 1,668.27
  4. Step 4: Simplify right side
    3,030.96x = 6,977,956.34
  5. Step 5: Solve for x
    x = 6,977,956.34/3,030.96
  6. Step 6: Final answer
    x = 2,302.23

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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.