Home / 3,318.06-4,576.58-2,875.18

Finding the Fourth Proportional to 3,318.06, 4,576.58 and 2,875.18

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Solution

The fourth proportional to 3,318.06, 4,576.58 and 2,875.18 is: 3,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.06 : 4,576.58 = 2,875.18 : x
  2. Step 2: Convert to fraction form
    3,318.06/4,576.58 = 2,875.18/x
  3. Step 3: Cross multiply
    3,318.06x = 4,576.58 × 2,875.18
  4. Step 4: Simplify right side
    3,318.06x = 13,158,491.28
  5. Step 5: Solve for x
    x = 13,158,491.28/3,318.06
  6. Step 6: Final answer
    x = 3,965.72

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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.