Home / 1,677.28-2,314.68-1,014.35

Finding the Fourth Proportional to 1,677.28, 2,314.68 and 1,014.35

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Solution

The fourth proportional to 1,677.28, 2,314.68 and 1,014.35 is: 1,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.28 : 2,314.68 = 1,014.35 : x
  2. Step 2: Convert to fraction form
    1,677.28/2,314.68 = 1,014.35/x
  3. Step 3: Cross multiply
    1,677.28x = 2,314.68 × 1,014.35
  4. Step 4: Simplify right side
    1,677.28x = 2,347,886.79
  5. Step 5: Solve for x
    x = 2,347,886.79/1,677.28
  6. Step 6: Final answer
    x = 1,399.82

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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.