Home / 5,379.48-7,426.08-3,516.48

Finding the Fourth Proportional to 5,379.48, 7,426.08 and 3,516.48

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Solution

The fourth proportional to 5,379.48, 7,426.08 and 3,516.48 is: 4,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.48 : 7,426.08 = 3,516.48 : x
  2. Step 2: Convert to fraction form
    5,379.48/7,426.08 = 3,516.48/x
  3. Step 3: Cross multiply
    5,379.48x = 7,426.08 × 3,516.48
  4. Step 4: Simplify right side
    5,379.48x = 26,113,661.80
  5. Step 5: Solve for x
    x = 26,113,661.80/5,379.48
  6. Step 6: Final answer
    x = 4,854.31

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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.