Home / 2,841.30-4,242.78-2,322.32

Finding the Fourth Proportional to 2,841.30, 4,242.78 and 2,322.32

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Solution

The fourth proportional to 2,841.30, 4,242.78 and 2,322.32 is: 3,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.30 : 4,242.78 = 2,322.32 : x
  2. Step 2: Convert to fraction form
    2,841.30/4,242.78 = 2,322.32/x
  3. Step 3: Cross multiply
    2,841.30x = 4,242.78 × 2,322.32
  4. Step 4: Simplify right side
    2,841.30x = 9,853,071.64
  5. Step 5: Solve for x
    x = 9,853,071.64/2,841.30
  6. Step 6: Final answer
    x = 3,467.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.