Home / 3,058.34-4,220.52-1,661.10

Finding the Fourth Proportional to 3,058.34, 4,220.52 and 1,661.10

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Solution

The fourth proportional to 3,058.34, 4,220.52 and 1,661.10 is: 2,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.34 : 4,220.52 = 1,661.10 : x
  2. Step 2: Convert to fraction form
    3,058.34/4,220.52 = 1,661.10/x
  3. Step 3: Cross multiply
    3,058.34x = 4,220.52 × 1,661.10
  4. Step 4: Simplify right side
    3,058.34x = 7,010,705.77
  5. Step 5: Solve for x
    x = 7,010,705.77/3,058.34
  6. Step 6: Final answer
    x = 2,292.32

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Half scale
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Double scale
Find fourth proportional to 3,059.34, 4,221.90 and 1,662.10
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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.