Home / 3,261.51-4,893.12-1,875.33

Finding the Fourth Proportional to 3,261.51, 4,893.12 and 1,875.33

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Solution

The fourth proportional to 3,261.51, 4,893.12 and 1,875.33 is: 2,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.51 : 4,893.12 = 1,875.33 : x
  2. Step 2: Convert to fraction form
    3,261.51/4,893.12 = 1,875.33/x
  3. Step 3: Cross multiply
    3,261.51x = 4,893.12 × 1,875.33
  4. Step 4: Simplify right side
    3,261.51x = 9,176,214.73
  5. Step 5: Solve for x
    x = 9,176,214.73/3,261.51
  6. Step 6: Final answer
    x = 2,813.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.