Home / 5,742.48-8,613.77-1,582.72

Finding the Fourth Proportional to 5,742.48, 8,613.77 and 1,582.72

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Solution

The fourth proportional to 5,742.48, 8,613.77 and 1,582.72 is: 2,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.48 : 8,613.77 = 1,582.72 : x
  2. Step 2: Convert to fraction form
    5,742.48/8,613.77 = 1,582.72/x
  3. Step 3: Cross multiply
    5,742.48x = 8,613.77 × 1,582.72
  4. Step 4: Simplify right side
    5,742.48x = 13,633,186.05
  5. Step 5: Solve for x
    x = 13,633,186.05/5,742.48
  6. Step 6: Final answer
    x = 2,374.09

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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.