Home / 5,270.10-7,905.08-1,574.88

Finding the Fourth Proportional to 5,270.10, 7,905.08 and 1,574.88

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Solution

The fourth proportional to 5,270.10, 7,905.08 and 1,574.88 is: 2,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.10 : 7,905.08 = 1,574.88 : x
  2. Step 2: Convert to fraction form
    5,270.10/7,905.08 = 1,574.88/x
  3. Step 3: Cross multiply
    5,270.10x = 7,905.08 × 1,574.88
  4. Step 4: Simplify right side
    5,270.10x = 12,449,544.52
  5. Step 5: Solve for x
    x = 12,449,544.52/5,270.10
  6. Step 6: Final answer
    x = 2,362.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.