Home / 3,642.48-5,465.55-1,451.16

Finding the Fourth Proportional to 3,642.48, 5,465.55 and 1,451.16

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Solution

The fourth proportional to 3,642.48, 5,465.55 and 1,451.16 is: 2,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.48 : 5,465.55 = 1,451.16 : x
  2. Step 2: Convert to fraction form
    3,642.48/5,465.55 = 1,451.16/x
  3. Step 3: Cross multiply
    3,642.48x = 5,465.55 × 1,451.16
  4. Step 4: Simplify right side
    3,642.48x = 7,931,387.54
  5. Step 5: Solve for x
    x = 7,931,387.54/3,642.48
  6. Step 6: Final answer
    x = 2,177.47

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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.