Home / 5,235.35-7,224.80-2,877.53

Finding the Fourth Proportional to 5,235.35, 7,224.80 and 2,877.53

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Solution

The fourth proportional to 5,235.35, 7,224.80 and 2,877.53 is: 3,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.35 : 7,224.80 = 2,877.53 : x
  2. Step 2: Convert to fraction form
    5,235.35/7,224.80 = 2,877.53/x
  3. Step 3: Cross multiply
    5,235.35x = 7,224.80 × 2,877.53
  4. Step 4: Simplify right side
    5,235.35x = 20,789,528.23
  5. Step 5: Solve for x
    x = 20,789,528.23/5,235.35
  6. Step 6: Final answer
    x = 3,970.99

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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.