Home / 5,535.79-7,639.16-3,017.84

Finding the Fourth Proportional to 5,535.79, 7,639.16 and 3,017.84

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Solution

The fourth proportional to 5,535.79, 7,639.16 and 3,017.84 is: 4,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.79 : 7,639.16 = 3,017.84 : x
  2. Step 2: Convert to fraction form
    5,535.79/7,639.16 = 3,017.84/x
  3. Step 3: Cross multiply
    5,535.79x = 7,639.16 × 3,017.84
  4. Step 4: Simplify right side
    5,535.79x = 23,053,709.33
  5. Step 5: Solve for x
    x = 23,053,709.33/5,535.79
  6. Step 6: Final answer
    x = 4,164.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.