Home / 6,242.80-8,616.76-3,590.48

Finding the Fourth Proportional to 6,242.80, 8,616.76 and 3,590.48

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Solution

The fourth proportional to 6,242.80, 8,616.76 and 3,590.48 is: 4,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.80 : 8,616.76 = 3,590.48 : x
  2. Step 2: Convert to fraction form
    6,242.80/8,616.76 = 3,590.48/x
  3. Step 3: Cross multiply
    6,242.80x = 8,616.76 × 3,590.48
  4. Step 4: Simplify right side
    6,242.80x = 30,938,304.44
  5. Step 5: Solve for x
    x = 30,938,304.44/6,242.80
  6. Step 6: Final answer
    x = 4,955.84

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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.