Home / 7,020.01-9,687.36-3,876.13

Finding the Fourth Proportional to 7,020.01, 9,687.36 and 3,876.13

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Solution

The fourth proportional to 7,020.01, 9,687.36 and 3,876.13 is: 5,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.01 : 9,687.36 = 3,876.13 : x
  2. Step 2: Convert to fraction form
    7,020.01/9,687.36 = 3,876.13/x
  3. Step 3: Cross multiply
    7,020.01x = 9,687.36 × 3,876.13
  4. Step 4: Simplify right side
    7,020.01x = 37,549,466.72
  5. Step 5: Solve for x
    x = 37,549,466.72/7,020.01
  6. Step 6: Final answer
    x = 5,348.92

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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.