Home / 5,637.12-8,455.92-4,322.76

Finding the Fourth Proportional to 5,637.12, 8,455.92 and 4,322.76

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Solution

The fourth proportional to 5,637.12, 8,455.92 and 4,322.76 is: 6,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.12 : 8,455.92 = 4,322.76 : x
  2. Step 2: Convert to fraction form
    5,637.12/8,455.92 = 4,322.76/x
  3. Step 3: Cross multiply
    5,637.12x = 8,455.92 × 4,322.76
  4. Step 4: Simplify right side
    5,637.12x = 36,552,912.74
  5. Step 5: Solve for x
    x = 36,552,912.74/5,637.12
  6. Step 6: Final answer
    x = 6,484.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.