Home / 4,645.63-6,405.10-3,973.33

Finding the Fourth Proportional to 4,645.63, 6,405.10 and 3,973.33

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Solution

The fourth proportional to 4,645.63, 6,405.10 and 3,973.33 is: 5,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.63 : 6,405.10 = 3,973.33 : x
  2. Step 2: Convert to fraction form
    4,645.63/6,405.10 = 3,973.33/x
  3. Step 3: Cross multiply
    4,645.63x = 6,405.10 × 3,973.33
  4. Step 4: Simplify right side
    4,645.63x = 25,449,575.98
  5. Step 5: Solve for x
    x = 25,449,575.98/4,645.63
  6. Step 6: Final answer
    x = 5,478.18

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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.