Home / 4,050.78-5,590.40-2,282.55

Finding the Fourth Proportional to 4,050.78, 5,590.40 and 2,282.55

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Solution

The fourth proportional to 4,050.78, 5,590.40 and 2,282.55 is: 3,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.78 : 5,590.40 = 2,282.55 : x
  2. Step 2: Convert to fraction form
    4,050.78/5,590.40 = 2,282.55/x
  3. Step 3: Cross multiply
    4,050.78x = 5,590.40 × 2,282.55
  4. Step 4: Simplify right side
    4,050.78x = 12,760,356.11
  5. Step 5: Solve for x
    x = 12,760,356.11/4,050.78
  6. Step 6: Final answer
    x = 3,150.10

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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.