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Finding the Fourth Proportional to 2,920.62, 4,383.54 and 1,460.58

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Solution

The fourth proportional to 2,920.62, 4,383.54 and 1,460.58 is: 2,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.62 : 4,383.54 = 1,460.58 : x
  2. Step 2: Convert to fraction form
    2,920.62/4,383.54 = 1,460.58/x
  3. Step 3: Cross multiply
    2,920.62x = 4,383.54 × 1,460.58
  4. Step 4: Simplify right side
    2,920.62x = 6,402,510.85
  5. Step 5: Solve for x
    x = 6,402,510.85/2,920.62
  6. Step 6: Final answer
    x = 2,192.18

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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.