Home / 5,018.28-6,928.92-4,645.08

Finding the Fourth Proportional to 5,018.28, 6,928.92 and 4,645.08

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Solution

The fourth proportional to 5,018.28, 6,928.92 and 4,645.08 is: 6,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.28 : 6,928.92 = 4,645.08 : x
  2. Step 2: Convert to fraction form
    5,018.28/6,928.92 = 4,645.08/x
  3. Step 3: Cross multiply
    5,018.28x = 6,928.92 × 4,645.08
  4. Step 4: Simplify right side
    5,018.28x = 32,185,387.71
  5. Step 5: Solve for x
    x = 32,185,387.71/5,018.28
  6. Step 6: Final answer
    x = 6,413.63

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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.