Home / 5,403.13-7,456.34-3,045.31

Finding the Fourth Proportional to 5,403.13, 7,456.34 and 3,045.31

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Solution

The fourth proportional to 5,403.13, 7,456.34 and 3,045.31 is: 4,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.13 : 7,456.34 = 3,045.31 : x
  2. Step 2: Convert to fraction form
    5,403.13/7,456.34 = 3,045.31/x
  3. Step 3: Cross multiply
    5,403.13x = 7,456.34 × 3,045.31
  4. Step 4: Simplify right side
    5,403.13x = 22,706,814.26
  5. Step 5: Solve for x
    x = 22,706,814.26/5,403.13
  6. Step 6: Final answer
    x = 4,202.53

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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.