Home / 2,960.95-4,085.65-1,684.70

Finding the Fourth Proportional to 2,960.95, 4,085.65 and 1,684.70

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Solution

The fourth proportional to 2,960.95, 4,085.65 and 1,684.70 is: 2,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.95 : 4,085.65 = 1,684.70 : x
  2. Step 2: Convert to fraction form
    2,960.95/4,085.65 = 1,684.70/x
  3. Step 3: Cross multiply
    2,960.95x = 4,085.65 × 1,684.70
  4. Step 4: Simplify right side
    2,960.95x = 6,883,094.56
  5. Step 5: Solve for x
    x = 6,883,094.56/2,960.95
  6. Step 6: Final answer
    x = 2,324.62

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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.