Home / 7,605.54-11,405.25-2,925.72

Finding the Fourth Proportional to 7,605.54, 11,405.25 and 2,925.72

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Solution

The fourth proportional to 7,605.54, 11,405.25 and 2,925.72 is: 4,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.54 : 11,405.25 = 2,925.72 : x
  2. Step 2: Convert to fraction form
    7,605.54/11,405.25 = 2,925.72/x
  3. Step 3: Cross multiply
    7,605.54x = 11,405.25 × 2,925.72
  4. Step 4: Simplify right side
    7,605.54x = 33,368,568.03
  5. Step 5: Solve for x
    x = 33,368,568.03/7,605.54
  6. Step 6: Final answer
    x = 4,387.40

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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.