Home / 6,124.88-8,449.20-3,605.36

Finding the Fourth Proportional to 6,124.88, 8,449.20 and 3,605.36

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Solution

The fourth proportional to 6,124.88, 8,449.20 and 3,605.36 is: 4,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.88 : 8,449.20 = 3,605.36 : x
  2. Step 2: Convert to fraction form
    6,124.88/8,449.20 = 3,605.36/x
  3. Step 3: Cross multiply
    6,124.88x = 8,449.20 × 3,605.36
  4. Step 4: Simplify right side
    6,124.88x = 30,462,407.71
  5. Step 5: Solve for x
    x = 30,462,407.71/6,124.88
  6. Step 6: Final answer
    x = 4,973.55

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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.