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Finding the Fourth Proportional to 1,735.42, 2,393.40 and 1,357.42

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Solution

The fourth proportional to 1,735.42, 2,393.40 and 1,357.42 is: 1,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.42 : 2,393.40 = 1,357.42 : x
  2. Step 2: Convert to fraction form
    1,735.42/2,393.40 = 1,357.42/x
  3. Step 3: Cross multiply
    1,735.42x = 2,393.40 × 1,357.42
  4. Step 4: Simplify right side
    1,735.42x = 3,248,849.03
  5. Step 5: Solve for x
    x = 3,248,849.03/1,735.42
  6. Step 6: Final answer
    x = 1,872.08

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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.