Home / 5,430.26-7,480.34-4,630.98

Finding the Fourth Proportional to 5,430.26, 7,480.34 and 4,630.98

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Solution

The fourth proportional to 5,430.26, 7,480.34 and 4,630.98 is: 6,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.26 : 7,480.34 = 4,630.98 : x
  2. Step 2: Convert to fraction form
    5,430.26/7,480.34 = 4,630.98/x
  3. Step 3: Cross multiply
    5,430.26x = 7,480.34 × 4,630.98
  4. Step 4: Simplify right side
    5,430.26x = 34,641,304.93
  5. Step 5: Solve for x
    x = 34,641,304.93/5,430.26
  6. Step 6: Final answer
    x = 6,379.31

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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.