Home / 7,904.64-11,858.72-2,358.08

Finding the Fourth Proportional to 7,904.64, 11,858.72 and 2,358.08

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Solution

The fourth proportional to 7,904.64, 11,858.72 and 2,358.08 is: 3,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.64 : 11,858.72 = 2,358.08 : x
  2. Step 2: Convert to fraction form
    7,904.64/11,858.72 = 2,358.08/x
  3. Step 3: Cross multiply
    7,904.64x = 11,858.72 × 2,358.08
  4. Step 4: Simplify right side
    7,904.64x = 27,963,810.46
  5. Step 5: Solve for x
    x = 27,963,810.46/7,904.64
  6. Step 6: Final answer
    x = 3,537.65

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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.