Home / 5,235.50-7,224.98-2,877.63

Finding the Fourth Proportional to 5,235.50, 7,224.98 and 2,877.63

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Solution

The fourth proportional to 5,235.50, 7,224.98 and 2,877.63 is: 3,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.50 : 7,224.98 = 2,877.63 : x
  2. Step 2: Convert to fraction form
    5,235.50/7,224.98 = 2,877.63/x
  3. Step 3: Cross multiply
    5,235.50x = 7,224.98 × 2,877.63
  4. Step 4: Simplify right side
    5,235.50x = 20,790,804.81
  5. Step 5: Solve for x
    x = 20,790,804.81/5,235.50
  6. Step 6: Final answer
    x = 3,971.12

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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.