Home / 5,195.64-7,170.08-2,837.76

Finding the Fourth Proportional to 5,195.64, 7,170.08 and 2,837.76

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Solution

The fourth proportional to 5,195.64, 7,170.08 and 2,837.76 is: 3,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.64 : 7,170.08 = 2,837.76 : x
  2. Step 2: Convert to fraction form
    5,195.64/7,170.08 = 2,837.76/x
  3. Step 3: Cross multiply
    5,195.64x = 7,170.08 × 2,837.76
  4. Step 4: Simplify right side
    5,195.64x = 20,346,966.22
  5. Step 5: Solve for x
    x = 20,346,966.22/5,195.64
  6. Step 6: Final answer
    x = 3,916.16

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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.