Home / 4,550.51-6,825.84-1,430.45

Finding the Fourth Proportional to 4,550.51, 6,825.84 and 1,430.45

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Solution

The fourth proportional to 4,550.51, 6,825.84 and 1,430.45 is: 2,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.51 : 6,825.84 = 1,430.45 : x
  2. Step 2: Convert to fraction form
    4,550.51/6,825.84 = 1,430.45/x
  3. Step 3: Cross multiply
    4,550.51x = 6,825.84 × 1,430.45
  4. Step 4: Simplify right side
    4,550.51x = 9,764,022.83
  5. Step 5: Solve for x
    x = 9,764,022.83/4,550.51
  6. Step 6: Final answer
    x = 2,145.70

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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.