Home / 4,821.76-7,231.60-1,535.12

Finding the Fourth Proportional to 4,821.76, 7,231.60 and 1,535.12

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Solution

The fourth proportional to 4,821.76, 7,231.60 and 1,535.12 is: 2,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.76 : 7,231.60 = 1,535.12 : x
  2. Step 2: Convert to fraction form
    4,821.76/7,231.60 = 1,535.12/x
  3. Step 3: Cross multiply
    4,821.76x = 7,231.60 × 1,535.12
  4. Step 4: Simplify right side
    4,821.76x = 11,101,373.79
  5. Step 5: Solve for x
    x = 11,101,373.79/4,821.76
  6. Step 6: Final answer
    x = 2,302.35

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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.