Home / 7,545.22-10,412.44-4,188.08

Finding the Fourth Proportional to 7,545.22, 10,412.44 and 4,188.08

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Solution

The fourth proportional to 7,545.22, 10,412.44 and 4,188.08 is: 5,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.22 : 10,412.44 = 4,188.08 : x
  2. Step 2: Convert to fraction form
    7,545.22/10,412.44 = 4,188.08/x
  3. Step 3: Cross multiply
    7,545.22x = 10,412.44 × 4,188.08
  4. Step 4: Simplify right side
    7,545.22x = 43,608,131.72
  5. Step 5: Solve for x
    x = 43,608,131.72/7,545.22
  6. Step 6: Final answer
    x = 5,779.57

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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.