Home / 5,575.89-7,688.36-4,456.06

Finding the Fourth Proportional to 5,575.89, 7,688.36 and 4,456.06

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Solution

The fourth proportional to 5,575.89, 7,688.36 and 4,456.06 is: 6,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.89 : 7,688.36 = 4,456.06 : x
  2. Step 2: Convert to fraction form
    5,575.89/7,688.36 = 4,456.06/x
  3. Step 3: Cross multiply
    5,575.89x = 7,688.36 × 4,456.06
  4. Step 4: Simplify right side
    5,575.89x = 34,259,793.46
  5. Step 5: Solve for x
    x = 34,259,793.46/5,575.89
  6. Step 6: Final answer
    x = 6,144.27

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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.