Home / 7,375.08-10,177.70-4,188.13

Finding the Fourth Proportional to 7,375.08, 10,177.70 and 4,188.13

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Solution

The fourth proportional to 7,375.08, 10,177.70 and 4,188.13 is: 5,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.08 : 10,177.70 = 4,188.13 : x
  2. Step 2: Convert to fraction form
    7,375.08/10,177.70 = 4,188.13/x
  3. Step 3: Cross multiply
    7,375.08x = 10,177.70 × 4,188.13
  4. Step 4: Simplify right side
    7,375.08x = 42,625,530.70
  5. Step 5: Solve for x
    x = 42,625,530.70/7,375.08
  6. Step 6: Final answer
    x = 5,779.67

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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.