Home / 4,590.20-6,885.30-1,668.14

Finding the Fourth Proportional to 4,590.20, 6,885.30 and 1,668.14

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Solution

The fourth proportional to 4,590.20, 6,885.30 and 1,668.14 is: 2,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.20 : 6,885.30 = 1,668.14 : x
  2. Step 2: Convert to fraction form
    4,590.20/6,885.30 = 1,668.14/x
  3. Step 3: Cross multiply
    4,590.20x = 6,885.30 × 1,668.14
  4. Step 4: Simplify right side
    4,590.20x = 11,485,644.34
  5. Step 5: Solve for x
    x = 11,485,644.34/4,590.20
  6. Step 6: Final answer
    x = 2,502.21

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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.