Home / 7,188.48-10,779.12-2,258.06

Finding the Fourth Proportional to 7,188.48, 10,779.12 and 2,258.06

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Solution

The fourth proportional to 7,188.48, 10,779.12 and 2,258.06 is: 3,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.48 : 10,779.12 = 2,258.06 : x
  2. Step 2: Convert to fraction form
    7,188.48/10,779.12 = 2,258.06/x
  3. Step 3: Cross multiply
    7,188.48x = 10,779.12 × 2,258.06
  4. Step 4: Simplify right side
    7,188.48x = 24,339,845.81
  5. Step 5: Solve for x
    x = 24,339,845.81/7,188.48
  6. Step 6: Final answer
    x = 3,385.95

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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.