Home / 7,775.37-10,725.89-5,254.11

Finding the Fourth Proportional to 7,775.37, 10,725.89 and 5,254.11

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Solution

The fourth proportional to 7,775.37, 10,725.89 and 5,254.11 is: 7,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.37 : 10,725.89 = 5,254.11 : x
  2. Step 2: Convert to fraction form
    7,775.37/10,725.89 = 5,254.11/x
  3. Step 3: Cross multiply
    7,775.37x = 10,725.89 × 5,254.11
  4. Step 4: Simplify right side
    7,775.37x = 56,354,979.64
  5. Step 5: Solve for x
    x = 56,354,979.64/7,775.37
  6. Step 6: Final answer
    x = 7,247.88

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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.