Home / 1,935.24-2,671.56-1,376.88

Finding the Fourth Proportional to 1,935.24, 2,671.56 and 1,376.88

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Solution

The fourth proportional to 1,935.24, 2,671.56 and 1,376.88 is: 1,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.24 : 2,671.56 = 1,376.88 : x
  2. Step 2: Convert to fraction form
    1,935.24/2,671.56 = 1,376.88/x
  3. Step 3: Cross multiply
    1,935.24x = 2,671.56 × 1,376.88
  4. Step 4: Simplify right side
    1,935.24x = 3,678,417.53
  5. Step 5: Solve for x
    x = 3,678,417.53/1,935.24
  6. Step 6: Final answer
    x = 1,900.76

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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.