Home / 5,907.12-8,146.14-3,886.92

Finding the Fourth Proportional to 5,907.12, 8,146.14 and 3,886.92

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Solution

The fourth proportional to 5,907.12, 8,146.14 and 3,886.92 is: 5,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.12 : 8,146.14 = 3,886.92 : x
  2. Step 2: Convert to fraction form
    5,907.12/8,146.14 = 3,886.92/x
  3. Step 3: Cross multiply
    5,907.12x = 8,146.14 × 3,886.92
  4. Step 4: Simplify right side
    5,907.12x = 31,663,394.49
  5. Step 5: Solve for x
    x = 31,663,394.49/5,907.12
  6. Step 6: Final answer
    x = 5,360.21

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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.