Home / 3,177.51-4,384.91-1,851.95

Finding the Fourth Proportional to 3,177.51, 4,384.91 and 1,851.95

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Solution

The fourth proportional to 3,177.51, 4,384.91 and 1,851.95 is: 2,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.51 : 4,384.91 = 1,851.95 : x
  2. Step 2: Convert to fraction form
    3,177.51/4,384.91 = 1,851.95/x
  3. Step 3: Cross multiply
    3,177.51x = 4,384.91 × 1,851.95
  4. Step 4: Simplify right side
    3,177.51x = 8,120,602.89
  5. Step 5: Solve for x
    x = 8,120,602.89/3,177.51
  6. Step 6: Final answer
    x = 2,555.65

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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.