Home / 5,508.81-7,603.47-3,518.64

Finding the Fourth Proportional to 5,508.81, 7,603.47 and 3,518.64

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Solution

The fourth proportional to 5,508.81, 7,603.47 and 3,518.64 is: 4,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.81 : 7,603.47 = 3,518.64 : x
  2. Step 2: Convert to fraction form
    5,508.81/7,603.47 = 3,518.64/x
  3. Step 3: Cross multiply
    5,508.81x = 7,603.47 × 3,518.64
  4. Step 4: Simplify right side
    5,508.81x = 26,753,873.68
  5. Step 5: Solve for x
    x = 26,753,873.68/5,508.81
  6. Step 6: Final answer
    x = 4,856.56

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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.