Home / 2,760.32-3,803.47-1,874.58

Finding the Fourth Proportional to 2,760.32, 3,803.47 and 1,874.58

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Solution

The fourth proportional to 2,760.32, 3,803.47 and 1,874.58 is: 2,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.32 : 3,803.47 = 1,874.58 : x
  2. Step 2: Convert to fraction form
    2,760.32/3,803.47 = 1,874.58/x
  3. Step 3: Cross multiply
    2,760.32x = 3,803.47 × 1,874.58
  4. Step 4: Simplify right side
    2,760.32x = 7,129,904.11
  5. Step 5: Solve for x
    x = 7,129,904.11/2,760.32
  6. Step 6: Final answer
    x = 2,583.00

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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.