Home / 4,255.32-5,851.80-3,405.36

Finding the Fourth Proportional to 4,255.32, 5,851.80 and 3,405.36

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Solution

The fourth proportional to 4,255.32, 5,851.80 and 3,405.36 is: 4,682.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.32 : 5,851.80 = 3,405.36 : x
  2. Step 2: Convert to fraction form
    4,255.32/5,851.80 = 3,405.36/x
  3. Step 3: Cross multiply
    4,255.32x = 5,851.80 × 3,405.36
  4. Step 4: Simplify right side
    4,255.32x = 19,927,485.65
  5. Step 5: Solve for x
    x = 19,927,485.65/4,255.32
  6. Step 6: Final answer
    x = 4,682.96

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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.