Home / 5,437.32-8,108.34-5,388.06

Finding the Fourth Proportional to 5,437.32, 8,108.34 and 5,388.06

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Solution

The fourth proportional to 5,437.32, 8,108.34 and 5,388.06 is: 8,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.32 : 8,108.34 = 5,388.06 : x
  2. Step 2: Convert to fraction form
    5,437.32/8,108.34 = 5,388.06/x
  3. Step 3: Cross multiply
    5,437.32x = 8,108.34 × 5,388.06
  4. Step 4: Simplify right side
    5,437.32x = 43,688,222.42
  5. Step 5: Solve for x
    x = 43,688,222.42/5,437.32
  6. Step 6: Final answer
    x = 8,034.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.