Home / 5,052.88-6,973.28-2,815.20

Finding the Fourth Proportional to 5,052.88, 6,973.28 and 2,815.20

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Solution

The fourth proportional to 5,052.88, 6,973.28 and 2,815.20 is: 3,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.88 : 6,973.28 = 2,815.20 : x
  2. Step 2: Convert to fraction form
    5,052.88/6,973.28 = 2,815.20/x
  3. Step 3: Cross multiply
    5,052.88x = 6,973.28 × 2,815.20
  4. Step 4: Simplify right side
    5,052.88x = 19,631,177.86
  5. Step 5: Solve for x
    x = 19,631,177.86/5,052.88
  6. Step 6: Final answer
    x = 3,885.15

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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.