Home / 7,212.52-9,952.64-4,025.58

Finding the Fourth Proportional to 7,212.52, 9,952.64 and 4,025.58

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Solution

The fourth proportional to 7,212.52, 9,952.64 and 4,025.58 is: 5,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.52 : 9,952.64 = 4,025.58 : x
  2. Step 2: Convert to fraction form
    7,212.52/9,952.64 = 4,025.58/x
  3. Step 3: Cross multiply
    7,212.52x = 9,952.64 × 4,025.58
  4. Step 4: Simplify right side
    7,212.52x = 40,065,148.53
  5. Step 5: Solve for x
    x = 40,065,148.53/7,212.52
  6. Step 6: Final answer
    x = 5,554.94

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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.