Home / 6,020.97-9,031.47-1,638.42

Finding the Fourth Proportional to 6,020.97, 9,031.47 and 1,638.42

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Solution

The fourth proportional to 6,020.97, 9,031.47 and 1,638.42 is: 2,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.97 : 9,031.47 = 1,638.42 : x
  2. Step 2: Convert to fraction form
    6,020.97/9,031.47 = 1,638.42/x
  3. Step 3: Cross multiply
    6,020.97x = 9,031.47 × 1,638.42
  4. Step 4: Simplify right side
    6,020.97x = 14,797,341.08
  5. Step 5: Solve for x
    x = 14,797,341.08/6,020.97
  6. Step 6: Final answer
    x = 2,457.63

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Half scale
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Double scale
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Similar ratio
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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.