Home / 2,281.68-3,150.52-1,698.48

Finding the Fourth Proportional to 2,281.68, 3,150.52 and 1,698.48

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Solution

The fourth proportional to 2,281.68, 3,150.52 and 1,698.48 is: 2,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.68 : 3,150.52 = 1,698.48 : x
  2. Step 2: Convert to fraction form
    2,281.68/3,150.52 = 1,698.48/x
  3. Step 3: Cross multiply
    2,281.68x = 3,150.52 × 1,698.48
  4. Step 4: Simplify right side
    2,281.68x = 5,351,095.21
  5. Step 5: Solve for x
    x = 5,351,095.21/2,281.68
  6. Step 6: Final answer
    x = 2,345.24

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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.