Home / 6,920.82-9,551.96-4,088.01

Finding the Fourth Proportional to 6,920.82, 9,551.96 and 4,088.01

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Solution

The fourth proportional to 6,920.82, 9,551.96 and 4,088.01 is: 5,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.82 : 9,551.96 = 4,088.01 : x
  2. Step 2: Convert to fraction form
    6,920.82/9,551.96 = 4,088.01/x
  3. Step 3: Cross multiply
    6,920.82x = 9,551.96 × 4,088.01
  4. Step 4: Simplify right side
    6,920.82x = 39,048,487.56
  5. Step 5: Solve for x
    x = 39,048,487.56/6,920.82
  6. Step 6: Final answer
    x = 5,642.18

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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.