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Finding the Fourth Proportional to 2,391.91, 3,582.64 and 1,696.47

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Solution

The fourth proportional to 2,391.91, 3,582.64 and 1,696.47 is: 2,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.91 : 3,582.64 = 1,696.47 : x
  2. Step 2: Convert to fraction form
    2,391.91/3,582.64 = 1,696.47/x
  3. Step 3: Cross multiply
    2,391.91x = 3,582.64 × 1,696.47
  4. Step 4: Simplify right side
    2,391.91x = 6,077,829.97
  5. Step 5: Solve for x
    x = 6,077,829.97/2,391.91
  6. Step 6: Final answer
    x = 2,541.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.