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Finding the Fourth Proportional to 5,041.12, 6,952 and 3,995.68

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Solution

The fourth proportional to 5,041.12, 6,952 and 3,995.68 is: 5,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.12 : 6,952 = 3,995.68 : x
  2. Step 2: Convert to fraction form
    5,041.12/6,952 = 3,995.68/x
  3. Step 3: Cross multiply
    5,041.12x = 6,952 × 3,995.68
  4. Step 4: Simplify right side
    5,041.12x = 27,777,967.36
  5. Step 5: Solve for x
    x = 27,777,967.36/5,041.12
  6. Step 6: Final answer
    x = 5,510.28

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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.