Home / 6,430.82-8,862.68-5,304.92

Finding the Fourth Proportional to 6,430.82, 8,862.68 and 5,304.92

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Solution

The fourth proportional to 6,430.82, 8,862.68 and 5,304.92 is: 7,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.82 : 8,862.68 = 5,304.92 : x
  2. Step 2: Convert to fraction form
    6,430.82/8,862.68 = 5,304.92/x
  3. Step 3: Cross multiply
    6,430.82x = 8,862.68 × 5,304.92
  4. Step 4: Simplify right side
    6,430.82x = 47,015,777.33
  5. Step 5: Solve for x
    x = 47,015,777.33/6,430.82
  6. Step 6: Final answer
    x = 7,311.01

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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.