Home / 5,082.26-7,009.80-3,400.70

Finding the Fourth Proportional to 5,082.26, 7,009.80 and 3,400.70

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Solution

The fourth proportional to 5,082.26, 7,009.80 and 3,400.70 is: 4,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.26 : 7,009.80 = 3,400.70 : x
  2. Step 2: Convert to fraction form
    5,082.26/7,009.80 = 3,400.70/x
  3. Step 3: Cross multiply
    5,082.26x = 7,009.80 × 3,400.70
  4. Step 4: Simplify right side
    5,082.26x = 23,838,191.81
  5. Step 5: Solve for x
    x = 23,838,191.81/5,082.26
  6. Step 6: Final answer
    x = 4,690.48

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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.