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Finding the Fourth Proportional to 3,547.39, 4,895.21 and 1,953.73

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Solution

The fourth proportional to 3,547.39, 4,895.21 and 1,953.73 is: 2,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.39 : 4,895.21 = 1,953.73 : x
  2. Step 2: Convert to fraction form
    3,547.39/4,895.21 = 1,953.73/x
  3. Step 3: Cross multiply
    3,547.39x = 4,895.21 × 1,953.73
  4. Step 4: Simplify right side
    3,547.39x = 9,563,918.63
  5. Step 5: Solve for x
    x = 9,563,918.63/3,547.39
  6. Step 6: Final answer
    x = 2,696.04

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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.