Home / 1,712.76-2,363.56-966.68

Finding the Fourth Proportional to 1,712.76, 2,363.56 and 966.68

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Solution

The fourth proportional to 1,712.76, 2,363.56 and 966.68 is: 1,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.76 : 2,363.56 = 966.68 : x
  2. Step 2: Convert to fraction form
    1,712.76/2,363.56 = 966.68/x
  3. Step 3: Cross multiply
    1,712.76x = 2,363.56 × 966.68
  4. Step 4: Simplify right side
    1,712.76x = 2,284,806.18
  5. Step 5: Solve for x
    x = 2,284,806.18/1,712.76
  6. Step 6: Final answer
    x = 1,333.99

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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.