Home / 5,920.66-8,877.88-1,760.09

Finding the Fourth Proportional to 5,920.66, 8,877.88 and 1,760.09

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Solution

The fourth proportional to 5,920.66, 8,877.88 and 1,760.09 is: 2,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.66 : 8,877.88 = 1,760.09 : x
  2. Step 2: Convert to fraction form
    5,920.66/8,877.88 = 1,760.09/x
  3. Step 3: Cross multiply
    5,920.66x = 8,877.88 × 1,760.09
  4. Step 4: Simplify right side
    5,920.66x = 15,625,867.81
  5. Step 5: Solve for x
    x = 15,625,867.81/5,920.66
  6. Step 6: Final answer
    x = 2,639.21

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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.