Home / 5,235.67-7,225.23-2,877.76

Finding the Fourth Proportional to 5,235.67, 7,225.23 and 2,877.76

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Solution

The fourth proportional to 5,235.67, 7,225.23 and 2,877.76 is: 3,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.67 : 7,225.23 = 2,877.76 : x
  2. Step 2: Convert to fraction form
    5,235.67/7,225.23 = 2,877.76/x
  3. Step 3: Cross multiply
    5,235.67x = 7,225.23 × 2,877.76
  4. Step 4: Simplify right side
    5,235.67x = 20,792,477.88
  5. Step 5: Solve for x
    x = 20,792,477.88/5,235.67
  6. Step 6: Final answer
    x = 3,971.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.