Home / 3,177.48-4,386.96-2,182.44

Finding the Fourth Proportional to 3,177.48, 4,386.96 and 2,182.44

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Solution

The fourth proportional to 3,177.48, 4,386.96 and 2,182.44 is: 3,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.48 : 4,386.96 = 2,182.44 : x
  2. Step 2: Convert to fraction form
    3,177.48/4,386.96 = 2,182.44/x
  3. Step 3: Cross multiply
    3,177.48x = 4,386.96 × 2,182.44
  4. Step 4: Simplify right side
    3,177.48x = 9,574,276.98
  5. Step 5: Solve for x
    x = 9,574,276.98/3,177.48
  6. Step 6: Final answer
    x = 3,013.17

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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.