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Finding the Fourth Proportional to 937.14, 1,292.64 and 740.58

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Solution

The fourth proportional to 937.14, 1,292.64 and 740.58 is: 1,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.14 : 1,292.64 = 740.58 : x
  2. Step 2: Convert to fraction form
    937.14/1,292.64 = 740.58/x
  3. Step 3: Cross multiply
    937.14x = 1,292.64 × 740.58
  4. Step 4: Simplify right side
    937.14x = 957,303.33
  5. Step 5: Solve for x
    x = 957,303.33/937.14
  6. Step 6: Final answer
    x = 1,021.52

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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.