Home / 5,153.02-7,111.09-2,795.11

Finding the Fourth Proportional to 5,153.02, 7,111.09 and 2,795.11

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Solution

The fourth proportional to 5,153.02, 7,111.09 and 2,795.11 is: 3,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.02 : 7,111.09 = 2,795.11 : x
  2. Step 2: Convert to fraction form
    5,153.02/7,111.09 = 2,795.11/x
  3. Step 3: Cross multiply
    5,153.02x = 7,111.09 × 2,795.11
  4. Step 4: Simplify right side
    5,153.02x = 19,876,264.49
  5. Step 5: Solve for x
    x = 19,876,264.49/5,153.02
  6. Step 6: Final answer
    x = 3,857.21

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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.