Home / 3,840.18-5,299.47-2,184.18

Finding the Fourth Proportional to 3,840.18, 5,299.47 and 2,184.18

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Solution

The fourth proportional to 3,840.18, 5,299.47 and 2,184.18 is: 3,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.18 : 5,299.47 = 2,184.18 : x
  2. Step 2: Convert to fraction form
    3,840.18/5,299.47 = 2,184.18/x
  3. Step 3: Cross multiply
    3,840.18x = 5,299.47 × 2,184.18
  4. Step 4: Simplify right side
    3,840.18x = 11,574,996.38
  5. Step 5: Solve for x
    x = 11,574,996.38/3,840.18
  6. Step 6: Final answer
    x = 3,014.18

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Half scale
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Double scale
Find fourth proportional to 3,841.18, 5,300.85 and 2,185.18
Similar ratio
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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.