Home / 6,109.98-8,430.48-3,458.04

Finding the Fourth Proportional to 6,109.98, 8,430.48 and 3,458.04

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Solution

The fourth proportional to 6,109.98, 8,430.48 and 3,458.04 is: 4,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.98 : 8,430.48 = 3,458.04 : x
  2. Step 2: Convert to fraction form
    6,109.98/8,430.48 = 3,458.04/x
  3. Step 3: Cross multiply
    6,109.98x = 8,430.48 × 3,458.04
  4. Step 4: Simplify right side
    6,109.98x = 29,152,937.06
  5. Step 5: Solve for x
    x = 29,152,937.06/6,109.98
  6. Step 6: Final answer
    x = 4,771.36

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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.