Home / 5,236.23-7,225.95-2,878.36

Finding the Fourth Proportional to 5,236.23, 7,225.95 and 2,878.36

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Solution

The fourth proportional to 5,236.23, 7,225.95 and 2,878.36 is: 3,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.23 : 7,225.95 = 2,878.36 : x
  2. Step 2: Convert to fraction form
    5,236.23/7,225.95 = 2,878.36/x
  3. Step 3: Cross multiply
    5,236.23x = 7,225.95 × 2,878.36
  4. Step 4: Simplify right side
    5,236.23x = 20,798,885.44
  5. Step 5: Solve for x
    x = 20,798,885.44/5,236.23
  6. Step 6: Final answer
    x = 3,972.11

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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.