Home / 4,179.67-6,267.63-1,258.20

Finding the Fourth Proportional to 4,179.67, 6,267.63 and 1,258.20

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Solution

The fourth proportional to 4,179.67, 6,267.63 and 1,258.20 is: 1,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.67 : 6,267.63 = 1,258.20 : x
  2. Step 2: Convert to fraction form
    4,179.67/6,267.63 = 1,258.20/x
  3. Step 3: Cross multiply
    4,179.67x = 6,267.63 × 1,258.20
  4. Step 4: Simplify right side
    4,179.67x = 7,885,932.07
  5. Step 5: Solve for x
    x = 7,885,932.07/4,179.67
  6. Step 6: Final answer
    x = 1,886.74

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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.