Home / 5,705.42-8,559.07-1,810.76

Finding the Fourth Proportional to 5,705.42, 8,559.07 and 1,810.76

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Solution

The fourth proportional to 5,705.42, 8,559.07 and 1,810.76 is: 2,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.42 : 8,559.07 = 1,810.76 : x
  2. Step 2: Convert to fraction form
    5,705.42/8,559.07 = 1,810.76/x
  3. Step 3: Cross multiply
    5,705.42x = 8,559.07 × 1,810.76
  4. Step 4: Simplify right side
    5,705.42x = 15,498,374.27
  5. Step 5: Solve for x
    x = 15,498,374.27/5,705.42
  6. Step 6: Final answer
    x = 2,716.43

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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.