Home / 2,204.54-3,042.40-1,457.20

Finding the Fourth Proportional to 2,204.54, 3,042.40 and 1,457.20

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Solution

The fourth proportional to 2,204.54, 3,042.40 and 1,457.20 is: 2,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.54 : 3,042.40 = 1,457.20 : x
  2. Step 2: Convert to fraction form
    2,204.54/3,042.40 = 1,457.20/x
  3. Step 3: Cross multiply
    2,204.54x = 3,042.40 × 1,457.20
  4. Step 4: Simplify right side
    2,204.54x = 4,433,370.39
  5. Step 5: Solve for x
    x = 4,433,370.39/2,204.54
  6. Step 6: Final answer
    x = 2,011.02

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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.