Home / 5,781.58-8,673.28-1,885.08

Finding the Fourth Proportional to 5,781.58, 8,673.28 and 1,885.08

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Solution

The fourth proportional to 5,781.58, 8,673.28 and 1,885.08 is: 2,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.58 : 8,673.28 = 1,885.08 : x
  2. Step 2: Convert to fraction form
    5,781.58/8,673.28 = 1,885.08/x
  3. Step 3: Cross multiply
    5,781.58x = 8,673.28 × 1,885.08
  4. Step 4: Simplify right side
    5,781.58x = 16,349,826.66
  5. Step 5: Solve for x
    x = 16,349,826.66/5,781.58
  6. Step 6: Final answer
    x = 2,827.92

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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.