Home / 1,512.17-2,085.21-1,196.93

Finding the Fourth Proportional to 1,512.17, 2,085.21 and 1,196.93

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Solution

The fourth proportional to 1,512.17, 2,085.21 and 1,196.93 is: 1,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.17 : 2,085.21 = 1,196.93 : x
  2. Step 2: Convert to fraction form
    1,512.17/2,085.21 = 1,196.93/x
  3. Step 3: Cross multiply
    1,512.17x = 2,085.21 × 1,196.93
  4. Step 4: Simplify right side
    1,512.17x = 2,495,850.41
  5. Step 5: Solve for x
    x = 2,495,850.41/1,512.17
  6. Step 6: Final answer
    x = 1,650.51

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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.