Home / 2,881.49-3,976.23-1,702.34

Finding the Fourth Proportional to 2,881.49, 3,976.23 and 1,702.34

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Solution

The fourth proportional to 2,881.49, 3,976.23 and 1,702.34 is: 2,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.49 : 3,976.23 = 1,702.34 : x
  2. Step 2: Convert to fraction form
    2,881.49/3,976.23 = 1,702.34/x
  3. Step 3: Cross multiply
    2,881.49x = 3,976.23 × 1,702.34
  4. Step 4: Simplify right side
    2,881.49x = 6,768,895.38
  5. Step 5: Solve for x
    x = 6,768,895.38/2,881.49
  6. Step 6: Final answer
    x = 2,349.10

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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.