Home / 4,101.20-6,148.16-2,458.40

Finding the Fourth Proportional to 4,101.20, 6,148.16 and 2,458.40

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Solution

The fourth proportional to 4,101.20, 6,148.16 and 2,458.40 is: 3,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.20 : 6,148.16 = 2,458.40 : x
  2. Step 2: Convert to fraction form
    4,101.20/6,148.16 = 2,458.40/x
  3. Step 3: Cross multiply
    4,101.20x = 6,148.16 × 2,458.40
  4. Step 4: Simplify right side
    4,101.20x = 15,114,636.54
  5. Step 5: Solve for x
    x = 15,114,636.54/4,101.20
  6. Step 6: Final answer
    x = 3,685.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.