Home / 1,712.38-2,362.95-966.52

Finding the Fourth Proportional to 1,712.38, 2,362.95 and 966.52

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Solution

The fourth proportional to 1,712.38, 2,362.95 and 966.52 is: 1,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.38 : 2,362.95 = 966.52 : x
  2. Step 2: Convert to fraction form
    1,712.38/2,362.95 = 966.52/x
  3. Step 3: Cross multiply
    1,712.38x = 2,362.95 × 966.52
  4. Step 4: Simplify right side
    1,712.38x = 2,283,838.43
  5. Step 5: Solve for x
    x = 2,283,838.43/1,712.38
  6. Step 6: Final answer
    x = 1,333.72

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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.