Home / 3,904.08-5,382.60-2,506.32

Finding the Fourth Proportional to 3,904.08, 5,382.60 and 2,506.32

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Solution

The fourth proportional to 3,904.08, 5,382.60 and 2,506.32 is: 3,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.08 : 5,382.60 = 2,506.32 : x
  2. Step 2: Convert to fraction form
    3,904.08/5,382.60 = 2,506.32/x
  3. Step 3: Cross multiply
    3,904.08x = 5,382.60 × 2,506.32
  4. Step 4: Simplify right side
    3,904.08x = 13,490,518.03
  5. Step 5: Solve for x
    x = 13,490,518.03/3,904.08
  6. Step 6: Final answer
    x = 3,455.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.