Home / 3,014.13-4,159.53-1,687.92

Finding the Fourth Proportional to 3,014.13, 4,159.53 and 1,687.92

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Solution

The fourth proportional to 3,014.13, 4,159.53 and 1,687.92 is: 2,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.13 : 4,159.53 = 1,687.92 : x
  2. Step 2: Convert to fraction form
    3,014.13/4,159.53 = 1,687.92/x
  3. Step 3: Cross multiply
    3,014.13x = 4,159.53 × 1,687.92
  4. Step 4: Simplify right side
    3,014.13x = 7,020,953.88
  5. Step 5: Solve for x
    x = 7,020,953.88/3,014.13
  6. Step 6: Final answer
    x = 2,329.35

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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.