Home / 4,896.90-7,345.35-4,386.60

Finding the Fourth Proportional to 4,896.90, 7,345.35 and 4,386.60

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Solution

The fourth proportional to 4,896.90, 7,345.35 and 4,386.60 is: 6,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.90 : 7,345.35 = 4,386.60 : x
  2. Step 2: Convert to fraction form
    4,896.90/7,345.35 = 4,386.60/x
  3. Step 3: Cross multiply
    4,896.90x = 7,345.35 × 4,386.60
  4. Step 4: Simplify right side
    4,896.90x = 32,221,112.31
  5. Step 5: Solve for x
    x = 32,221,112.31/4,896.90
  6. Step 6: Final answer
    x = 6,579.90

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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.