Home / 3,357.20-5,035.80-1,048.88

Finding the Fourth Proportional to 3,357.20, 5,035.80 and 1,048.88

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Solution

The fourth proportional to 3,357.20, 5,035.80 and 1,048.88 is: 1,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.20 : 5,035.80 = 1,048.88 : x
  2. Step 2: Convert to fraction form
    3,357.20/5,035.80 = 1,048.88/x
  3. Step 3: Cross multiply
    3,357.20x = 5,035.80 × 1,048.88
  4. Step 4: Simplify right side
    3,357.20x = 5,281,949.90
  5. Step 5: Solve for x
    x = 5,281,949.90/3,357.20
  6. Step 6: Final answer
    x = 1,573.32

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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.