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Finding the Fourth Proportional to 2,157.14, 3,235.02 and 695.93

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Solution

The fourth proportional to 2,157.14, 3,235.02 and 695.93 is: 1,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.14 : 3,235.02 = 695.93 : x
  2. Step 2: Convert to fraction form
    2,157.14/3,235.02 = 695.93/x
  3. Step 3: Cross multiply
    2,157.14x = 3,235.02 × 695.93
  4. Step 4: Simplify right side
    2,157.14x = 2,251,347.47
  5. Step 5: Solve for x
    x = 2,251,347.47/2,157.14
  6. Step 6: Final answer
    x = 1,043.67

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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.