Home / 5,178.48-7,723.43-4,403.58

Finding the Fourth Proportional to 5,178.48, 7,723.43 and 4,403.58

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Solution

The fourth proportional to 5,178.48, 7,723.43 and 4,403.58 is: 6,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.48 : 7,723.43 = 4,403.58 : x
  2. Step 2: Convert to fraction form
    5,178.48/7,723.43 = 4,403.58/x
  3. Step 3: Cross multiply
    5,178.48x = 7,723.43 × 4,403.58
  4. Step 4: Simplify right side
    5,178.48x = 34,010,719.86
  5. Step 5: Solve for x
    x = 34,010,719.86/5,178.48
  6. Step 6: Final answer
    x = 6,567.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.