Home / 6,920.07-9,549.72-3,776.25

Finding the Fourth Proportional to 6,920.07, 9,549.72 and 3,776.25

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Solution

The fourth proportional to 6,920.07, 9,549.72 and 3,776.25 is: 5,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.07 : 9,549.72 = 3,776.25 : x
  2. Step 2: Convert to fraction form
    6,920.07/9,549.72 = 3,776.25/x
  3. Step 3: Cross multiply
    6,920.07x = 9,549.72 × 3,776.25
  4. Step 4: Simplify right side
    6,920.07x = 36,062,130.15
  5. Step 5: Solve for x
    x = 36,062,130.15/6,920.07
  6. Step 6: Final answer
    x = 5,211.24

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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.