Home / 3,436.55-4,740.40-2,539.43

Finding the Fourth Proportional to 3,436.55, 4,740.40 and 2,539.43

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Solution

The fourth proportional to 3,436.55, 4,740.40 and 2,539.43 is: 3,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.55 : 4,740.40 = 2,539.43 : x
  2. Step 2: Convert to fraction form
    3,436.55/4,740.40 = 2,539.43/x
  3. Step 3: Cross multiply
    3,436.55x = 4,740.40 × 2,539.43
  4. Step 4: Simplify right side
    3,436.55x = 12,037,913.97
  5. Step 5: Solve for x
    x = 12,037,913.97/3,436.55
  6. Step 6: Final answer
    x = 3,502.91

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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.