Home / 1,841.65-2,541.20-1,095.60

Finding the Fourth Proportional to 1,841.65, 2,541.20 and 1,095.60

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Solution

The fourth proportional to 1,841.65, 2,541.20 and 1,095.60 is: 1,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.65 : 2,541.20 = 1,095.60 : x
  2. Step 2: Convert to fraction form
    1,841.65/2,541.20 = 1,095.60/x
  3. Step 3: Cross multiply
    1,841.65x = 2,541.20 × 1,095.60
  4. Step 4: Simplify right side
    1,841.65x = 2,784,120.54
  5. Step 5: Solve for x
    x = 2,784,120.54/1,841.65
  6. Step 6: Final answer
    x = 1,511.75

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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.