Home / 3,019.09-4,166.13-1,692.76

Finding the Fourth Proportional to 3,019.09, 4,166.13 and 1,692.76

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Solution

The fourth proportional to 3,019.09, 4,166.13 and 1,692.76 is: 2,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.09 : 4,166.13 = 1,692.76 : x
  2. Step 2: Convert to fraction form
    3,019.09/4,166.13 = 1,692.76/x
  3. Step 3: Cross multiply
    3,019.09x = 4,166.13 × 1,692.76
  4. Step 4: Simplify right side
    3,019.09x = 7,052,258.22
  5. Step 5: Solve for x
    x = 7,052,258.22/3,019.09
  6. Step 6: Final answer
    x = 2,335.89

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,020.09, 4,167.51 and 1,693.76
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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.