Home / 5,257.17-7,254.27-2,898.84

Finding the Fourth Proportional to 5,257.17, 7,254.27 and 2,898.84

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Solution

The fourth proportional to 5,257.17, 7,254.27 and 2,898.84 is: 4,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.17 : 7,254.27 = 2,898.84 : x
  2. Step 2: Convert to fraction form
    5,257.17/7,254.27 = 2,898.84/x
  3. Step 3: Cross multiply
    5,257.17x = 7,254.27 × 2,898.84
  4. Step 4: Simplify right side
    5,257.17x = 21,028,968.05
  5. Step 5: Solve for x
    x = 21,028,968.05/5,257.17
  6. Step 6: Final answer
    x = 4,000.05

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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.