Home / 4,162.40-6,196.48-4,140.64

Finding the Fourth Proportional to 4,162.40, 6,196.48 and 4,140.64

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Solution

The fourth proportional to 4,162.40, 6,196.48 and 4,140.64 is: 6,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.40 : 6,196.48 = 4,140.64 : x
  2. Step 2: Convert to fraction form
    4,162.40/6,196.48 = 4,140.64/x
  3. Step 3: Cross multiply
    4,162.40x = 6,196.48 × 4,140.64
  4. Step 4: Simplify right side
    4,162.40x = 25,657,392.95
  5. Step 5: Solve for x
    x = 25,657,392.95/4,162.40
  6. Step 6: Final answer
    x = 6,164.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.