Home / 5,244.95-7,238.16-2,887.23

Finding the Fourth Proportional to 5,244.95, 7,238.16 and 2,887.23

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Solution

The fourth proportional to 5,244.95, 7,238.16 and 2,887.23 is: 3,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.95 : 7,238.16 = 2,887.23 : x
  2. Step 2: Convert to fraction form
    5,244.95/7,238.16 = 2,887.23/x
  3. Step 3: Cross multiply
    5,244.95x = 7,238.16 × 2,887.23
  4. Step 4: Simplify right side
    5,244.95x = 20,898,232.70
  5. Step 5: Solve for x
    x = 20,898,232.70/5,244.95
  6. Step 6: Final answer
    x = 3,984.45

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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.