Home / 2,959.68-4,438.98-1,110.30

Finding the Fourth Proportional to 2,959.68, 4,438.98 and 1,110.30

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Solution

The fourth proportional to 2,959.68, 4,438.98 and 1,110.30 is: 1,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.68 : 4,438.98 = 1,110.30 : x
  2. Step 2: Convert to fraction form
    2,959.68/4,438.98 = 1,110.30/x
  3. Step 3: Cross multiply
    2,959.68x = 4,438.98 × 1,110.30
  4. Step 4: Simplify right side
    2,959.68x = 4,928,599.49
  5. Step 5: Solve for x
    x = 4,928,599.49/2,959.68
  6. Step 6: Final answer
    x = 1,665.25

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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.