Home / 3,133.02-4,343.36-2,966.55

Finding the Fourth Proportional to 3,133.02, 4,343.36 and 2,966.55

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Solution

The fourth proportional to 3,133.02, 4,343.36 and 2,966.55 is: 4,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.02 : 4,343.36 = 2,966.55 : x
  2. Step 2: Convert to fraction form
    3,133.02/4,343.36 = 2,966.55/x
  3. Step 3: Cross multiply
    3,133.02x = 4,343.36 × 2,966.55
  4. Step 4: Simplify right side
    3,133.02x = 12,884,779.78
  5. Step 5: Solve for x
    x = 12,884,779.78/3,133.02
  6. Step 6: Final answer
    x = 4,112.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.