Home / 4,627.44-6,386.58-3,640.20

Finding the Fourth Proportional to 4,627.44, 6,386.58 and 3,640.20

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Solution

The fourth proportional to 4,627.44, 6,386.58 and 3,640.20 is: 5,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.44 : 6,386.58 = 3,640.20 : x
  2. Step 2: Convert to fraction form
    4,627.44/6,386.58 = 3,640.20/x
  3. Step 3: Cross multiply
    4,627.44x = 6,386.58 × 3,640.20
  4. Step 4: Simplify right side
    4,627.44x = 23,248,428.52
  5. Step 5: Solve for x
    x = 23,248,428.52/4,627.44
  6. Step 6: Final answer
    x = 5,024.04

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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.