Home / 2,370.69-3,271.56-1,322.75

Finding the Fourth Proportional to 2,370.69, 3,271.56 and 1,322.75

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Solution

The fourth proportional to 2,370.69, 3,271.56 and 1,322.75 is: 1,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.69 : 3,271.56 = 1,322.75 : x
  2. Step 2: Convert to fraction form
    2,370.69/3,271.56 = 1,322.75/x
  3. Step 3: Cross multiply
    2,370.69x = 3,271.56 × 1,322.75
  4. Step 4: Simplify right side
    2,370.69x = 4,327,455.99
  5. Step 5: Solve for x
    x = 4,327,455.99/2,370.69
  6. Step 6: Final answer
    x = 1,825.40

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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.