Home / 5,186.10-7,156.66-2,948.22

Finding the Fourth Proportional to 5,186.10, 7,156.66 and 2,948.22

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Solution

The fourth proportional to 5,186.10, 7,156.66 and 2,948.22 is: 4,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.10 : 7,156.66 = 2,948.22 : x
  2. Step 2: Convert to fraction form
    5,186.10/7,156.66 = 2,948.22/x
  3. Step 3: Cross multiply
    5,186.10x = 7,156.66 × 2,948.22
  4. Step 4: Simplify right side
    5,186.10x = 21,099,408.15
  5. Step 5: Solve for x
    x = 21,099,408.15/5,186.10
  6. Step 6: Final answer
    x = 4,068.45

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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.