Home / 1,713.70-2,364.90-927.74

Finding the Fourth Proportional to 1,713.70, 2,364.90 and 927.74

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Solution

The fourth proportional to 1,713.70, 2,364.90 and 927.74 is: 1,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.70 : 2,364.90 = 927.74 : x
  2. Step 2: Convert to fraction form
    1,713.70/2,364.90 = 927.74/x
  3. Step 3: Cross multiply
    1,713.70x = 2,364.90 × 927.74
  4. Step 4: Simplify right side
    1,713.70x = 2,194,007.69
  5. Step 5: Solve for x
    x = 2,194,007.69/1,713.70
  6. Step 6: Final answer
    x = 1,280.28

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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.