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Finding the Fourth Proportional to 5,656.04, 7,805.40 and 3,298.40

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Solution

The fourth proportional to 5,656.04, 7,805.40 and 3,298.40 is: 4,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.04 : 7,805.40 = 3,298.40 : x
  2. Step 2: Convert to fraction form
    5,656.04/7,805.40 = 3,298.40/x
  3. Step 3: Cross multiply
    5,656.04x = 7,805.40 × 3,298.40
  4. Step 4: Simplify right side
    5,656.04x = 25,745,331.36
  5. Step 5: Solve for x
    x = 25,745,331.36/5,656.04
  6. Step 6: Final answer
    x = 4,551.83

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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.