Home / 5,656.75-7,806.33-3,298.45

Finding the Fourth Proportional to 5,656.75, 7,806.33 and 3,298.45

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Solution

The fourth proportional to 5,656.75, 7,806.33 and 3,298.45 is: 4,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.75 : 7,806.33 = 3,298.45 : x
  2. Step 2: Convert to fraction form
    5,656.75/7,806.33 = 3,298.45/x
  3. Step 3: Cross multiply
    5,656.75x = 7,806.33 × 3,298.45
  4. Step 4: Simplify right side
    5,656.75x = 25,748,789.19
  5. Step 5: Solve for x
    x = 25,748,789.19/5,656.75
  6. Step 6: Final answer
    x = 4,551.87

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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.