Home / 1,472.20-2,032.52-975.26

Finding the Fourth Proportional to 1,472.20, 2,032.52 and 975.26

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Solution

The fourth proportional to 1,472.20, 2,032.52 and 975.26 is: 1,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.20 : 2,032.52 = 975.26 : x
  2. Step 2: Convert to fraction form
    1,472.20/2,032.52 = 975.26/x
  3. Step 3: Cross multiply
    1,472.20x = 2,032.52 × 975.26
  4. Step 4: Simplify right side
    1,472.20x = 1,982,235.46
  5. Step 5: Solve for x
    x = 1,982,235.46/1,472.20
  6. Step 6: Final answer
    x = 1,346.44

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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.