Home / 1,798.32-2,479.28-1,548.48

Finding the Fourth Proportional to 1,798.32, 2,479.28 and 1,548.48

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Solution

The fourth proportional to 1,798.32, 2,479.28 and 1,548.48 is: 2,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.32 : 2,479.28 = 1,548.48 : x
  2. Step 2: Convert to fraction form
    1,798.32/2,479.28 = 1,548.48/x
  3. Step 3: Cross multiply
    1,798.32x = 2,479.28 × 1,548.48
  4. Step 4: Simplify right side
    1,798.32x = 3,839,115.49
  5. Step 5: Solve for x
    x = 3,839,115.49/1,798.32
  6. Step 6: Final answer
    x = 2,134.83

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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.