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Finding the Fourth Proportional to 3,547.92, 4,894.59 and 2,485.88

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Solution

The fourth proportional to 3,547.92, 4,894.59 and 2,485.88 is: 3,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.92 : 4,894.59 = 2,485.88 : x
  2. Step 2: Convert to fraction form
    3,547.92/4,894.59 = 2,485.88/x
  3. Step 3: Cross multiply
    3,547.92x = 4,894.59 × 2,485.88
  4. Step 4: Simplify right side
    3,547.92x = 12,167,363.39
  5. Step 5: Solve for x
    x = 12,167,363.39/3,547.92
  6. Step 6: Final answer
    x = 3,429.44

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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.