Home / 5,470.24-8,205.44-1,574.88

Finding the Fourth Proportional to 5,470.24, 8,205.44 and 1,574.88

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Solution

The fourth proportional to 5,470.24, 8,205.44 and 1,574.88 is: 2,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.24 : 8,205.44 = 1,574.88 : x
  2. Step 2: Convert to fraction form
    5,470.24/8,205.44 = 1,574.88/x
  3. Step 3: Cross multiply
    5,470.24x = 8,205.44 × 1,574.88
  4. Step 4: Simplify right side
    5,470.24x = 12,922,583.35
  5. Step 5: Solve for x
    x = 12,922,583.35/5,470.24
  6. Step 6: Final answer
    x = 2,362.34

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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.