Home / 6,020.96-9,031.48-1,638.42

Finding the Fourth Proportional to 6,020.96, 9,031.48 and 1,638.42

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Solution

The fourth proportional to 6,020.96, 9,031.48 and 1,638.42 is: 2,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.96 : 9,031.48 = 1,638.42 : x
  2. Step 2: Convert to fraction form
    6,020.96/9,031.48 = 1,638.42/x
  3. Step 3: Cross multiply
    6,020.96x = 9,031.48 × 1,638.42
  4. Step 4: Simplify right side
    6,020.96x = 14,797,357.46
  5. Step 5: Solve for x
    x = 14,797,357.46/6,020.96
  6. Step 6: Final answer
    x = 2,457.64

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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.