Home / 5,153.16-7,111.17-2,795.25

Finding the Fourth Proportional to 5,153.16, 7,111.17 and 2,795.25

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Solution

The fourth proportional to 5,153.16, 7,111.17 and 2,795.25 is: 3,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.16 : 7,111.17 = 2,795.25 : x
  2. Step 2: Convert to fraction form
    5,153.16/7,111.17 = 2,795.25/x
  3. Step 3: Cross multiply
    5,153.16x = 7,111.17 × 2,795.25
  4. Step 4: Simplify right side
    5,153.16x = 19,877,524.61
  5. Step 5: Solve for x
    x = 19,877,524.61/5,153.16
  6. Step 6: Final answer
    x = 3,857.34

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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.