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Finding the Fourth Proportional to 3,707.64, 5,117.58 and 3,651.48

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Solution

The fourth proportional to 3,707.64, 5,117.58 and 3,651.48 is: 5,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.64 : 5,117.58 = 3,651.48 : x
  2. Step 2: Convert to fraction form
    3,707.64/5,117.58 = 3,651.48/x
  3. Step 3: Cross multiply
    3,707.64x = 5,117.58 × 3,651.48
  4. Step 4: Simplify right side
    3,707.64x = 18,686,741.02
  5. Step 5: Solve for x
    x = 18,686,741.02/3,707.64
  6. Step 6: Final answer
    x = 5,040.06

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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.