Home / 5,403.80-7,456.70-3,045.92

Finding the Fourth Proportional to 5,403.80, 7,456.70 and 3,045.92

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Solution

The fourth proportional to 5,403.80, 7,456.70 and 3,045.92 is: 4,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.80 : 7,456.70 = 3,045.92 : x
  2. Step 2: Convert to fraction form
    5,403.80/7,456.70 = 3,045.92/x
  3. Step 3: Cross multiply
    5,403.80x = 7,456.70 × 3,045.92
  4. Step 4: Simplify right side
    5,403.80x = 22,712,511.66
  5. Step 5: Solve for x
    x = 22,712,511.66/5,403.80
  6. Step 6: Final answer
    x = 4,203.06

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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.