Home / 3,458.38-4,772.60-1,886.49

Finding the Fourth Proportional to 3,458.38, 4,772.60 and 1,886.49

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Solution

The fourth proportional to 3,458.38, 4,772.60 and 1,886.49 is: 2,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.38 : 4,772.60 = 1,886.49 : x
  2. Step 2: Convert to fraction form
    3,458.38/4,772.60 = 1,886.49/x
  3. Step 3: Cross multiply
    3,458.38x = 4,772.60 × 1,886.49
  4. Step 4: Simplify right side
    3,458.38x = 9,003,462.17
  5. Step 5: Solve for x
    x = 9,003,462.17/3,458.38
  6. Step 6: Final answer
    x = 2,603.38

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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.