Home / 4,550.13-6,825.28-1,430.08

Finding the Fourth Proportional to 4,550.13, 6,825.28 and 1,430.08

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Solution

The fourth proportional to 4,550.13, 6,825.28 and 1,430.08 is: 2,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.13 : 6,825.28 = 1,430.08 : x
  2. Step 2: Convert to fraction form
    4,550.13/6,825.28 = 1,430.08/x
  3. Step 3: Cross multiply
    4,550.13x = 6,825.28 × 1,430.08
  4. Step 4: Simplify right side
    4,550.13x = 9,760,696.42
  5. Step 5: Solve for x
    x = 9,760,696.42/4,550.13
  6. Step 6: Final answer
    x = 2,145.15

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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.