Home / 4,576.64-6,864.90-1,113.92

Finding the Fourth Proportional to 4,576.64, 6,864.90 and 1,113.92

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Solution

The fourth proportional to 4,576.64, 6,864.90 and 1,113.92 is: 1,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.64 : 6,864.90 = 1,113.92 : x
  2. Step 2: Convert to fraction form
    4,576.64/6,864.90 = 1,113.92/x
  3. Step 3: Cross multiply
    4,576.64x = 6,864.90 × 1,113.92
  4. Step 4: Simplify right side
    4,576.64x = 7,646,949.41
  5. Step 5: Solve for x
    x = 7,646,949.41/4,576.64
  6. Step 6: Final answer
    x = 1,670.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.