Home / 5,545.12-7,653.81-3,188.02

Finding the Fourth Proportional to 5,545.12, 7,653.81 and 3,188.02

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Solution

The fourth proportional to 5,545.12, 7,653.81 and 3,188.02 is: 4,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.12 : 7,653.81 = 3,188.02 : x
  2. Step 2: Convert to fraction form
    5,545.12/7,653.81 = 3,188.02/x
  3. Step 3: Cross multiply
    5,545.12x = 7,653.81 × 3,188.02
  4. Step 4: Simplify right side
    5,545.12x = 24,400,499.36
  5. Step 5: Solve for x
    x = 24,400,499.36/5,545.12
  6. Step 6: Final answer
    x = 4,400.36

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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.