Home / 3,368.14-4,647.81-1,876.12

Finding the Fourth Proportional to 3,368.14, 4,647.81 and 1,876.12

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Solution

The fourth proportional to 3,368.14, 4,647.81 and 1,876.12 is: 2,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.14 : 4,647.81 = 1,876.12 : x
  2. Step 2: Convert to fraction form
    3,368.14/4,647.81 = 1,876.12/x
  3. Step 3: Cross multiply
    3,368.14x = 4,647.81 × 1,876.12
  4. Step 4: Simplify right side
    3,368.14x = 8,719,837.68
  5. Step 5: Solve for x
    x = 8,719,837.68/3,368.14
  6. Step 6: Final answer
    x = 2,588.92

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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.