Home / 2,900.13-4,346.73-1,668.12

Finding the Fourth Proportional to 2,900.13, 4,346.73 and 1,668.12

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Solution

The fourth proportional to 2,900.13, 4,346.73 and 1,668.12 is: 2,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.13 : 4,346.73 = 1,668.12 : x
  2. Step 2: Convert to fraction form
    2,900.13/4,346.73 = 1,668.12/x
  3. Step 3: Cross multiply
    2,900.13x = 4,346.73 × 1,668.12
  4. Step 4: Simplify right side
    2,900.13x = 7,250,867.25
  5. Step 5: Solve for x
    x = 7,250,867.25/2,900.13
  6. Step 6: Final answer
    x = 2,500.19

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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.