Home / 3,056.10-4,216.34-1,729.52

Finding the Fourth Proportional to 3,056.10, 4,216.34 and 1,729.52

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Solution

The fourth proportional to 3,056.10, 4,216.34 and 1,729.52 is: 2,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.10 : 4,216.34 = 1,729.52 : x
  2. Step 2: Convert to fraction form
    3,056.10/4,216.34 = 1,729.52/x
  3. Step 3: Cross multiply
    3,056.10x = 4,216.34 × 1,729.52
  4. Step 4: Simplify right side
    3,056.10x = 7,292,214.63
  5. Step 5: Solve for x
    x = 7,292,214.63/3,056.10
  6. Step 6: Final answer
    x = 2,386.12

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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.