Home / 5,230.52-7,215.10-3,133.43

Finding the Fourth Proportional to 5,230.52, 7,215.10 and 3,133.43

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Solution

The fourth proportional to 5,230.52, 7,215.10 and 3,133.43 is: 4,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.52 : 7,215.10 = 3,133.43 : x
  2. Step 2: Convert to fraction form
    5,230.52/7,215.10 = 3,133.43/x
  3. Step 3: Cross multiply
    5,230.52x = 7,215.10 × 3,133.43
  4. Step 4: Simplify right side
    5,230.52x = 22,607,966.88
  5. Step 5: Solve for x
    x = 22,607,966.88/5,230.52
  6. Step 6: Final answer
    x = 4,322.32

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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.