Home / 6,141.90-8,475.40-3,453.18

Finding the Fourth Proportional to 6,141.90, 8,475.40 and 3,453.18

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Solution

The fourth proportional to 6,141.90, 8,475.40 and 3,453.18 is: 4,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.90 : 8,475.40 = 3,453.18 : x
  2. Step 2: Convert to fraction form
    6,141.90/8,475.40 = 3,453.18/x
  3. Step 3: Cross multiply
    6,141.90x = 8,475.40 × 3,453.18
  4. Step 4: Simplify right side
    6,141.90x = 29,267,081.77
  5. Step 5: Solve for x
    x = 29,267,081.77/6,141.90
  6. Step 6: Final answer
    x = 4,765.15

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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.