Home / 5,456.22-7,543.53-4,201.42

Finding the Fourth Proportional to 5,456.22, 7,543.53 and 4,201.42

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Solution

The fourth proportional to 5,456.22, 7,543.53 and 4,201.42 is: 5,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.22 : 7,543.53 = 4,201.42 : x
  2. Step 2: Convert to fraction form
    5,456.22/7,543.53 = 4,201.42/x
  3. Step 3: Cross multiply
    5,456.22x = 7,543.53 × 4,201.42
  4. Step 4: Simplify right side
    5,456.22x = 31,693,537.81
  5. Step 5: Solve for x
    x = 31,693,537.81/5,456.22
  6. Step 6: Final answer
    x = 5,808.70

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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.