Home / 4,885.10-7,327.59-1,187.32

Finding the Fourth Proportional to 4,885.10, 7,327.59 and 1,187.32

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Solution

The fourth proportional to 4,885.10, 7,327.59 and 1,187.32 is: 1,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.10 : 7,327.59 = 1,187.32 : x
  2. Step 2: Convert to fraction form
    4,885.10/7,327.59 = 1,187.32/x
  3. Step 3: Cross multiply
    4,885.10x = 7,327.59 × 1,187.32
  4. Step 4: Simplify right side
    4,885.10x = 8,700,191.19
  5. Step 5: Solve for x
    x = 8,700,191.19/4,885.10
  6. Step 6: Final answer
    x = 1,780.96

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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.