Home / 5,828.11-8,741.29-1,878.86

Finding the Fourth Proportional to 5,828.11, 8,741.29 and 1,878.86

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Solution

The fourth proportional to 5,828.11, 8,741.29 and 1,878.86 is: 2,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.11 : 8,741.29 = 1,878.86 : x
  2. Step 2: Convert to fraction form
    5,828.11/8,741.29 = 1,878.86/x
  3. Step 3: Cross multiply
    5,828.11x = 8,741.29 × 1,878.86
  4. Step 4: Simplify right side
    5,828.11x = 16,423,660.13
  5. Step 5: Solve for x
    x = 16,423,660.13/5,828.11
  6. Step 6: Final answer
    x = 2,818.01

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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.