Home / 5,214.16-7,193.10-3,117.88

Finding the Fourth Proportional to 5,214.16, 7,193.10 and 3,117.88

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Solution

The fourth proportional to 5,214.16, 7,193.10 and 3,117.88 is: 4,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.16 : 7,193.10 = 3,117.88 : x
  2. Step 2: Convert to fraction form
    5,214.16/7,193.10 = 3,117.88/x
  3. Step 3: Cross multiply
    5,214.16x = 7,193.10 × 3,117.88
  4. Step 4: Simplify right side
    5,214.16x = 22,427,222.63
  5. Step 5: Solve for x
    x = 22,427,222.63/5,214.16
  6. Step 6: Final answer
    x = 4,301.21

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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.