Home / 4,945.09-7,417.71-1,613.32

Finding the Fourth Proportional to 4,945.09, 7,417.71 and 1,613.32

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Solution

The fourth proportional to 4,945.09, 7,417.71 and 1,613.32 is: 2,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.09 : 7,417.71 = 1,613.32 : x
  2. Step 2: Convert to fraction form
    4,945.09/7,417.71 = 1,613.32/x
  3. Step 3: Cross multiply
    4,945.09x = 7,417.71 × 1,613.32
  4. Step 4: Simplify right side
    4,945.09x = 11,967,143.12
  5. Step 5: Solve for x
    x = 11,967,143.12/4,945.09
  6. Step 6: Final answer
    x = 2,420.01

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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.