Home / 3,752.10-5,628.75-1,155.04

Finding the Fourth Proportional to 3,752.10, 5,628.75 and 1,155.04

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Solution

The fourth proportional to 3,752.10, 5,628.75 and 1,155.04 is: 1,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.10 : 5,628.75 = 1,155.04 : x
  2. Step 2: Convert to fraction form
    3,752.10/5,628.75 = 1,155.04/x
  3. Step 3: Cross multiply
    3,752.10x = 5,628.75 × 1,155.04
  4. Step 4: Simplify right side
    3,752.10x = 6,501,431.40
  5. Step 5: Solve for x
    x = 6,501,431.40/3,752.10
  6. Step 6: Final answer
    x = 1,732.74

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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.