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Finding the Fourth Proportional to 1,597.04, 2,203.90 and 898.42

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Solution

The fourth proportional to 1,597.04, 2,203.90 and 898.42 is: 1,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.04 : 2,203.90 = 898.42 : x
  2. Step 2: Convert to fraction form
    1,597.04/2,203.90 = 898.42/x
  3. Step 3: Cross multiply
    1,597.04x = 2,203.90 × 898.42
  4. Step 4: Simplify right side
    1,597.04x = 1,980,027.84
  5. Step 5: Solve for x
    x = 1,980,027.84/1,597.04
  6. Step 6: Final answer
    x = 1,239.81

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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.