Home / 1,712.17-2,362.78-966.08

Finding the Fourth Proportional to 1,712.17, 2,362.78 and 966.08

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Solution

The fourth proportional to 1,712.17, 2,362.78 and 966.08 is: 1,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.17 : 2,362.78 = 966.08 : x
  2. Step 2: Convert to fraction form
    1,712.17/2,362.78 = 966.08/x
  3. Step 3: Cross multiply
    1,712.17x = 2,362.78 × 966.08
  4. Step 4: Simplify right side
    1,712.17x = 2,282,634.50
  5. Step 5: Solve for x
    x = 2,282,634.50/1,712.17
  6. Step 6: Final answer
    x = 1,333.18

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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.