Home / 4,070.55-5,615.58-3,124.68

Finding the Fourth Proportional to 4,070.55, 5,615.58 and 3,124.68

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Solution

The fourth proportional to 4,070.55, 5,615.58 and 3,124.68 is: 4,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.55 : 5,615.58 = 3,124.68 : x
  2. Step 2: Convert to fraction form
    4,070.55/5,615.58 = 3,124.68/x
  3. Step 3: Cross multiply
    4,070.55x = 5,615.58 × 3,124.68
  4. Step 4: Simplify right side
    4,070.55x = 17,546,863.60
  5. Step 5: Solve for x
    x = 17,546,863.60/4,070.55
  6. Step 6: Final answer
    x = 4,310.68

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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.