Home / 5,403.50-7,454.49-3,165.47

Finding the Fourth Proportional to 5,403.50, 7,454.49 and 3,165.47

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Solution

The fourth proportional to 5,403.50, 7,454.49 and 3,165.47 is: 4,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.50 : 7,454.49 = 3,165.47 : x
  2. Step 2: Convert to fraction form
    5,403.50/7,454.49 = 3,165.47/x
  3. Step 3: Cross multiply
    5,403.50x = 7,454.49 × 3,165.47
  4. Step 4: Simplify right side
    5,403.50x = 23,596,964.46
  5. Step 5: Solve for x
    x = 23,596,964.46/5,403.50
  6. Step 6: Final answer
    x = 4,366.98

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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.