Home / 1,935.52-2,903.45-619.56

Finding the Fourth Proportional to 1,935.52, 2,903.45 and 619.56

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Solution

The fourth proportional to 1,935.52, 2,903.45 and 619.56 is: 929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.52 : 2,903.45 = 619.56 : x
  2. Step 2: Convert to fraction form
    1,935.52/2,903.45 = 619.56/x
  3. Step 3: Cross multiply
    1,935.52x = 2,903.45 × 619.56
  4. Step 4: Simplify right side
    1,935.52x = 1,798,858.38
  5. Step 5: Solve for x
    x = 1,798,858.38/1,935.52
  6. Step 6: Final answer
    x = 929.39

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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.