Home / 3,177.65-4,384.40-1,761.17

Finding the Fourth Proportional to 3,177.65, 4,384.40 and 1,761.17

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Solution

The fourth proportional to 3,177.65, 4,384.40 and 1,761.17 is: 2,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.65 : 4,384.40 = 1,761.17 : x
  2. Step 2: Convert to fraction form
    3,177.65/4,384.40 = 1,761.17/x
  3. Step 3: Cross multiply
    3,177.65x = 4,384.40 × 1,761.17
  4. Step 4: Simplify right side
    3,177.65x = 7,721,643.02
  5. Step 5: Solve for x
    x = 7,721,643.02/3,177.65
  6. Step 6: Final answer
    x = 2,429.98

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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.