Home / 5,742.56-8,613.93-1,847

Finding the Fourth Proportional to 5,742.56, 8,613.93 and 1,847

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Solution

The fourth proportional to 5,742.56, 8,613.93 and 1,847 is: 2,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.56 : 8,613.93 = 1,847 : x
  2. Step 2: Convert to fraction form
    5,742.56/8,613.93 = 1,847/x
  3. Step 3: Cross multiply
    5,742.56x = 8,613.93 × 1,847
  4. Step 4: Simplify right side
    5,742.56x = 15,909,928.71
  5. Step 5: Solve for x
    x = 15,909,928.71/5,742.56
  6. Step 6: Final answer
    x = 2,770.53

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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.