Home / 5,403.20-7,456.20-3,045.83

Finding the Fourth Proportional to 5,403.20, 7,456.20 and 3,045.83

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Solution

The fourth proportional to 5,403.20, 7,456.20 and 3,045.83 is: 4,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.20 : 7,456.20 = 3,045.83 : x
  2. Step 2: Convert to fraction form
    5,403.20/7,456.20 = 3,045.83/x
  3. Step 3: Cross multiply
    5,403.20x = 7,456.20 × 3,045.83
  4. Step 4: Simplify right side
    5,403.20x = 22,710,317.65
  5. Step 5: Solve for x
    x = 22,710,317.65/5,403.20
  6. Step 6: Final answer
    x = 4,203.12

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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.