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Finding the Fourth Proportional to 1,740.14, 2,610.18 and 714.14

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Solution

The fourth proportional to 1,740.14, 2,610.18 and 714.14 is: 1,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.14 : 2,610.18 = 714.14 : x
  2. Step 2: Convert to fraction form
    1,740.14/2,610.18 = 714.14/x
  3. Step 3: Cross multiply
    1,740.14x = 2,610.18 × 714.14
  4. Step 4: Simplify right side
    1,740.14x = 1,864,033.95
  5. Step 5: Solve for x
    x = 1,864,033.95/1,740.14
  6. Step 6: Final answer
    x = 1,071.20

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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.