Home / 2,353.17-3,245.22-1,512.39

Finding the Fourth Proportional to 2,353.17, 3,245.22 and 1,512.39

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Solution

The fourth proportional to 2,353.17, 3,245.22 and 1,512.39 is: 2,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.17 : 3,245.22 = 1,512.39 : x
  2. Step 2: Convert to fraction form
    2,353.17/3,245.22 = 1,512.39/x
  3. Step 3: Cross multiply
    2,353.17x = 3,245.22 × 1,512.39
  4. Step 4: Simplify right side
    2,353.17x = 4,908,038.28
  5. Step 5: Solve for x
    x = 4,908,038.28/2,353.17
  6. Step 6: Final answer
    x = 2,085.71

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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.