Home / 3,132.39-4,320.62-2,014.74

Finding the Fourth Proportional to 3,132.39, 4,320.62 and 2,014.74

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Solution

The fourth proportional to 3,132.39, 4,320.62 and 2,014.74 is: 2,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.39 : 4,320.62 = 2,014.74 : x
  2. Step 2: Convert to fraction form
    3,132.39/4,320.62 = 2,014.74/x
  3. Step 3: Cross multiply
    3,132.39x = 4,320.62 × 2,014.74
  4. Step 4: Simplify right side
    3,132.39x = 8,704,915.87
  5. Step 5: Solve for x
    x = 8,704,915.87/3,132.39
  6. Step 6: Final answer
    x = 2,779.00

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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.