Home / 6,645.06-9,160.17-5,464.08

Finding the Fourth Proportional to 6,645.06, 9,160.17 and 5,464.08

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Solution

The fourth proportional to 6,645.06, 9,160.17 and 5,464.08 is: 7,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.06 : 9,160.17 = 5,464.08 : x
  2. Step 2: Convert to fraction form
    6,645.06/9,160.17 = 5,464.08/x
  3. Step 3: Cross multiply
    6,645.06x = 9,160.17 × 5,464.08
  4. Step 4: Simplify right side
    6,645.06x = 50,051,901.69
  5. Step 5: Solve for x
    x = 50,051,901.69/6,645.06
  6. Step 6: Final answer
    x = 7,532.20

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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.