Home / 2,960.08-4,061.12-2,883.40

Finding the Fourth Proportional to 2,960.08, 4,061.12 and 2,883.40

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Solution

The fourth proportional to 2,960.08, 4,061.12 and 2,883.40 is: 3,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.08 : 4,061.12 = 2,883.40 : x
  2. Step 2: Convert to fraction form
    2,960.08/4,061.12 = 2,883.40/x
  3. Step 3: Cross multiply
    2,960.08x = 4,061.12 × 2,883.40
  4. Step 4: Simplify right side
    2,960.08x = 11,709,833.41
  5. Step 5: Solve for x
    x = 11,709,833.41/2,960.08
  6. Step 6: Final answer
    x = 3,955.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.