Home / 6,125.12-8,453.16-3,436.28

Finding the Fourth Proportional to 6,125.12, 8,453.16 and 3,436.28

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Solution

The fourth proportional to 6,125.12, 8,453.16 and 3,436.28 is: 4,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.12 : 8,453.16 = 3,436.28 : x
  2. Step 2: Convert to fraction form
    6,125.12/8,453.16 = 3,436.28/x
  3. Step 3: Cross multiply
    6,125.12x = 8,453.16 × 3,436.28
  4. Step 4: Simplify right side
    6,125.12x = 29,047,424.64
  5. Step 5: Solve for x
    x = 29,047,424.64/6,125.12
  6. Step 6: Final answer
    x = 4,742.34

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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.