Home / 5,708.11-7,877.25-3,190.32

Finding the Fourth Proportional to 5,708.11, 7,877.25 and 3,190.32

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Solution

The fourth proportional to 5,708.11, 7,877.25 and 3,190.32 is: 4,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.11 : 7,877.25 = 3,190.32 : x
  2. Step 2: Convert to fraction form
    5,708.11/7,877.25 = 3,190.32/x
  3. Step 3: Cross multiply
    5,708.11x = 7,877.25 × 3,190.32
  4. Step 4: Simplify right side
    5,708.11x = 25,130,948.22
  5. Step 5: Solve for x
    x = 25,130,948.22/5,708.11
  6. Step 6: Final answer
    x = 4,402.67

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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.