Home / 3,023.78-4,173.28-1,845.54

Finding the Fourth Proportional to 3,023.78, 4,173.28 and 1,845.54

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Solution

The fourth proportional to 3,023.78, 4,173.28 and 1,845.54 is: 2,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.78 : 4,173.28 = 1,845.54 : x
  2. Step 2: Convert to fraction form
    3,023.78/4,173.28 = 1,845.54/x
  3. Step 3: Cross multiply
    3,023.78x = 4,173.28 × 1,845.54
  4. Step 4: Simplify right side
    3,023.78x = 7,701,925.08
  5. Step 5: Solve for x
    x = 7,701,925.08/3,023.78
  6. Step 6: Final answer
    x = 2,547.12

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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.