Home / 2,719.18-4,051.78-2,586.95

Finding the Fourth Proportional to 2,719.18, 4,051.78 and 2,586.95

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Solution

The fourth proportional to 2,719.18, 4,051.78 and 2,586.95 is: 3,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.18 : 4,051.78 = 2,586.95 : x
  2. Step 2: Convert to fraction form
    2,719.18/4,051.78 = 2,586.95/x
  3. Step 3: Cross multiply
    2,719.18x = 4,051.78 × 2,586.95
  4. Step 4: Simplify right side
    2,719.18x = 10,481,740.74
  5. Step 5: Solve for x
    x = 10,481,740.74/2,719.18
  6. Step 6: Final answer
    x = 3,854.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.