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Finding the Fourth Proportional to 5,803.32, 7,983.84 and 5,127.84

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Solution

The fourth proportional to 5,803.32, 7,983.84 and 5,127.84 is: 7,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.32 : 7,983.84 = 5,127.84 : x
  2. Step 2: Convert to fraction form
    5,803.32/7,983.84 = 5,127.84/x
  3. Step 3: Cross multiply
    5,803.32x = 7,983.84 × 5,127.84
  4. Step 4: Simplify right side
    5,803.32x = 40,939,854.11
  5. Step 5: Solve for x
    x = 40,939,854.11/5,803.32
  6. Step 6: Final answer
    x = 7,054.56

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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.