Home / 4,886.12-7,328.46-1,376.48

Finding the Fourth Proportional to 4,886.12, 7,328.46 and 1,376.48

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Solution

The fourth proportional to 4,886.12, 7,328.46 and 1,376.48 is: 2,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.12 : 7,328.46 = 1,376.48 : x
  2. Step 2: Convert to fraction form
    4,886.12/7,328.46 = 1,376.48/x
  3. Step 3: Cross multiply
    4,886.12x = 7,328.46 × 1,376.48
  4. Step 4: Simplify right side
    4,886.12x = 10,087,478.62
  5. Step 5: Solve for x
    x = 10,087,478.62/4,886.12
  6. Step 6: Final answer
    x = 2,064.52

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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.