Home / 6,464.01-8,920.35-3,669.51

Finding the Fourth Proportional to 6,464.01, 8,920.35 and 3,669.51

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Solution

The fourth proportional to 6,464.01, 8,920.35 and 3,669.51 is: 5,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.01 : 8,920.35 = 3,669.51 : x
  2. Step 2: Convert to fraction form
    6,464.01/8,920.35 = 3,669.51/x
  3. Step 3: Cross multiply
    6,464.01x = 8,920.35 × 3,669.51
  4. Step 4: Simplify right side
    6,464.01x = 32,733,313.53
  5. Step 5: Solve for x
    x = 32,733,313.53/6,464.01
  6. Step 6: Final answer
    x = 5,063.93

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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.