Home / 5,635.56-7,778.06-4,690.08

Finding the Fourth Proportional to 5,635.56, 7,778.06 and 4,690.08

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Solution

The fourth proportional to 5,635.56, 7,778.06 and 4,690.08 is: 6,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.56 : 7,778.06 = 4,690.08 : x
  2. Step 2: Convert to fraction form
    5,635.56/7,778.06 = 4,690.08/x
  3. Step 3: Cross multiply
    5,635.56x = 7,778.06 × 4,690.08
  4. Step 4: Simplify right side
    5,635.56x = 36,479,723.64
  5. Step 5: Solve for x
    x = 36,479,723.64/5,635.56
  6. Step 6: Final answer
    x = 6,473.13

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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.