Home / 5,615.34-8,419.41-2,330.70

Finding the Fourth Proportional to 5,615.34, 8,419.41 and 2,330.70

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Solution

The fourth proportional to 5,615.34, 8,419.41 and 2,330.70 is: 3,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.34 : 8,419.41 = 2,330.70 : x
  2. Step 2: Convert to fraction form
    5,615.34/8,419.41 = 2,330.70/x
  3. Step 3: Cross multiply
    5,615.34x = 8,419.41 × 2,330.70
  4. Step 4: Simplify right side
    5,615.34x = 19,623,118.89
  5. Step 5: Solve for x
    x = 19,623,118.89/5,615.34
  6. Step 6: Final answer
    x = 3,494.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.