Home / 6,141.44-8,470.68-3,901.40

Finding the Fourth Proportional to 6,141.44, 8,470.68 and 3,901.40

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Solution

The fourth proportional to 6,141.44, 8,470.68 and 3,901.40 is: 5,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.44 : 8,470.68 = 3,901.40 : x
  2. Step 2: Convert to fraction form
    6,141.44/8,470.68 = 3,901.40/x
  3. Step 3: Cross multiply
    6,141.44x = 8,470.68 × 3,901.40
  4. Step 4: Simplify right side
    6,141.44x = 33,047,510.95
  5. Step 5: Solve for x
    x = 33,047,510.95/6,141.44
  6. Step 6: Final answer
    x = 5,381.07

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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.