Home / 3,001.20-4,502.08-1,541.60

Finding the Fourth Proportional to 3,001.20, 4,502.08 and 1,541.60

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Solution

The fourth proportional to 3,001.20, 4,502.08 and 1,541.60 is: 2,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.20 : 4,502.08 = 1,541.60 : x
  2. Step 2: Convert to fraction form
    3,001.20/4,502.08 = 1,541.60/x
  3. Step 3: Cross multiply
    3,001.20x = 4,502.08 × 1,541.60
  4. Step 4: Simplify right side
    3,001.20x = 6,940,406.53
  5. Step 5: Solve for x
    x = 6,940,406.53/3,001.20
  6. Step 6: Final answer
    x = 2,312.54

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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.