Home / 4,447.60-6,137.75-2,458.15

Finding the Fourth Proportional to 4,447.60, 6,137.75 and 2,458.15

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Solution

The fourth proportional to 4,447.60, 6,137.75 and 2,458.15 is: 3,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.60 : 6,137.75 = 2,458.15 : x
  2. Step 2: Convert to fraction form
    4,447.60/6,137.75 = 2,458.15/x
  3. Step 3: Cross multiply
    4,447.60x = 6,137.75 × 2,458.15
  4. Step 4: Simplify right side
    4,447.60x = 15,087,510.16
  5. Step 5: Solve for x
    x = 15,087,510.16/4,447.60
  6. Step 6: Final answer
    x = 3,392.28

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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.