Home / 2,681.11-3,697.45-1,840.33

Finding the Fourth Proportional to 2,681.11, 3,697.45 and 1,840.33

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Solution

The fourth proportional to 2,681.11, 3,697.45 and 1,840.33 is: 2,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.11 : 3,697.45 = 1,840.33 : x
  2. Step 2: Convert to fraction form
    2,681.11/3,697.45 = 1,840.33/x
  3. Step 3: Cross multiply
    2,681.11x = 3,697.45 × 1,840.33
  4. Step 4: Simplify right side
    2,681.11x = 6,804,528.16
  5. Step 5: Solve for x
    x = 6,804,528.16/2,681.11
  6. Step 6: Final answer
    x = 2,537.95

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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.