Home / 2,430.09-3,353.45-1,367.97

Finding the Fourth Proportional to 2,430.09, 3,353.45 and 1,367.97

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Solution

The fourth proportional to 2,430.09, 3,353.45 and 1,367.97 is: 1,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.09 : 3,353.45 = 1,367.97 : x
  2. Step 2: Convert to fraction form
    2,430.09/3,353.45 = 1,367.97/x
  3. Step 3: Cross multiply
    2,430.09x = 3,353.45 × 1,367.97
  4. Step 4: Simplify right side
    2,430.09x = 4,587,419.00
  5. Step 5: Solve for x
    x = 4,587,419.00/2,430.09
  6. Step 6: Final answer
    x = 1,887.76

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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.