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Finding the Fourth Proportional to 2,373.51, 3,278.76 and 1,904.52

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Solution

The fourth proportional to 2,373.51, 3,278.76 and 1,904.52 is: 2,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.51 : 3,278.76 = 1,904.52 : x
  2. Step 2: Convert to fraction form
    2,373.51/3,278.76 = 1,904.52/x
  3. Step 3: Cross multiply
    2,373.51x = 3,278.76 × 1,904.52
  4. Step 4: Simplify right side
    2,373.51x = 6,244,464.00
  5. Step 5: Solve for x
    x = 6,244,464.00/2,373.51
  6. Step 6: Final answer
    x = 2,630.90

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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.