Home / 5,257.37-7,254.45-2,899.64

Finding the Fourth Proportional to 5,257.37, 7,254.45 and 2,899.64

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Solution

The fourth proportional to 5,257.37, 7,254.45 and 2,899.64 is: 4,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.37 : 7,254.45 = 2,899.64 : x
  2. Step 2: Convert to fraction form
    5,257.37/7,254.45 = 2,899.64/x
  3. Step 3: Cross multiply
    5,257.37x = 7,254.45 × 2,899.64
  4. Step 4: Simplify right side
    5,257.37x = 21,035,257.13
  5. Step 5: Solve for x
    x = 21,035,257.13/5,257.37
  6. Step 6: Final answer
    x = 4,001.10

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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.