Home / 1,573.16-2,356.49-923.54

Finding the Fourth Proportional to 1,573.16, 2,356.49 and 923.54

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Solution

The fourth proportional to 1,573.16, 2,356.49 and 923.54 is: 1,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.16 : 2,356.49 = 923.54 : x
  2. Step 2: Convert to fraction form
    1,573.16/2,356.49 = 923.54/x
  3. Step 3: Cross multiply
    1,573.16x = 2,356.49 × 923.54
  4. Step 4: Simplify right side
    1,573.16x = 2,176,303.30
  5. Step 5: Solve for x
    x = 2,176,303.30/1,573.16
  6. Step 6: Final answer
    x = 1,383.40

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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.