Home / 4,886.40-7,328.70-3,034.20

Finding the Fourth Proportional to 4,886.40, 7,328.70 and 3,034.20

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Solution

The fourth proportional to 4,886.40, 7,328.70 and 3,034.20 is: 4,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.40 : 7,328.70 = 3,034.20 : x
  2. Step 2: Convert to fraction form
    4,886.40/7,328.70 = 3,034.20/x
  3. Step 3: Cross multiply
    4,886.40x = 7,328.70 × 3,034.20
  4. Step 4: Simplify right side
    4,886.40x = 22,236,741.54
  5. Step 5: Solve for x
    x = 22,236,741.54/4,886.40
  6. Step 6: Final answer
    x = 4,550.74

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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.