Home / 3,177.16-4,384.58-1,851.32

Finding the Fourth Proportional to 3,177.16, 4,384.58 and 1,851.32

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Solution

The fourth proportional to 3,177.16, 4,384.58 and 1,851.32 is: 2,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.16 : 4,384.58 = 1,851.32 : x
  2. Step 2: Convert to fraction form
    3,177.16/4,384.58 = 1,851.32/x
  3. Step 3: Cross multiply
    3,177.16x = 4,384.58 × 1,851.32
  4. Step 4: Simplify right side
    3,177.16x = 8,117,260.65
  5. Step 5: Solve for x
    x = 8,117,260.65/3,177.16
  6. Step 6: Final answer
    x = 2,554.88

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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.