Home / 3,740.84-5,610.72-1,143.08

Finding the Fourth Proportional to 3,740.84, 5,610.72 and 1,143.08

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Solution

The fourth proportional to 3,740.84, 5,610.72 and 1,143.08 is: 1,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.84 : 5,610.72 = 1,143.08 : x
  2. Step 2: Convert to fraction form
    3,740.84/5,610.72 = 1,143.08/x
  3. Step 3: Cross multiply
    3,740.84x = 5,610.72 × 1,143.08
  4. Step 4: Simplify right side
    3,740.84x = 6,413,501.82
  5. Step 5: Solve for x
    x = 6,413,501.82/3,740.84
  6. Step 6: Final answer
    x = 1,714.45

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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.