Home / 3,527.70-4,862.58-2,780.42

Finding the Fourth Proportional to 3,527.70, 4,862.58 and 2,780.42

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Solution

The fourth proportional to 3,527.70, 4,862.58 and 2,780.42 is: 3,832.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.70 : 4,862.58 = 2,780.42 : x
  2. Step 2: Convert to fraction form
    3,527.70/4,862.58 = 2,780.42/x
  3. Step 3: Cross multiply
    3,527.70x = 4,862.58 × 2,780.42
  4. Step 4: Simplify right side
    3,527.70x = 13,520,014.68
  5. Step 5: Solve for x
    x = 13,520,014.68/3,527.70
  6. Step 6: Final answer
    x = 3,832.53

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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.