Home / 5,426.75-8,141.13-2,465.40

Finding the Fourth Proportional to 5,426.75, 8,141.13 and 2,465.40

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Solution

The fourth proportional to 5,426.75, 8,141.13 and 2,465.40 is: 3,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.75 : 8,141.13 = 2,465.40 : x
  2. Step 2: Convert to fraction form
    5,426.75/8,141.13 = 2,465.40/x
  3. Step 3: Cross multiply
    5,426.75x = 8,141.13 × 2,465.40
  4. Step 4: Simplify right side
    5,426.75x = 20,071,088.87
  5. Step 5: Solve for x
    x = 20,071,088.87/5,426.75
  6. Step 6: Final answer
    x = 3,698.55

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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.