Home / 5,222.49-7,207.01-2,864.58

Finding the Fourth Proportional to 5,222.49, 7,207.01 and 2,864.58

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Solution

The fourth proportional to 5,222.49, 7,207.01 and 2,864.58 is: 3,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.49 : 7,207.01 = 2,864.58 : x
  2. Step 2: Convert to fraction form
    5,222.49/7,207.01 = 2,864.58/x
  3. Step 3: Cross multiply
    5,222.49x = 7,207.01 × 2,864.58
  4. Step 4: Simplify right side
    5,222.49x = 20,645,026.10
  5. Step 5: Solve for x
    x = 20,645,026.10/5,222.49
  6. Step 6: Final answer
    x = 3,953.10

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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.