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Finding the Fourth Proportional to 2,710.62, 3,740.76 and 1,648.08

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Solution

The fourth proportional to 2,710.62, 3,740.76 and 1,648.08 is: 2,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.62 : 3,740.76 = 1,648.08 : x
  2. Step 2: Convert to fraction form
    2,710.62/3,740.76 = 1,648.08/x
  3. Step 3: Cross multiply
    2,710.62x = 3,740.76 × 1,648.08
  4. Step 4: Simplify right side
    2,710.62x = 6,165,071.74
  5. Step 5: Solve for x
    x = 6,165,071.74/2,710.62
  6. Step 6: Final answer
    x = 2,274.41

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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.