Home / 4,648.16-6,417.60-3,078.92

Finding the Fourth Proportional to 4,648.16, 6,417.60 and 3,078.92

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Solution

The fourth proportional to 4,648.16, 6,417.60 and 3,078.92 is: 4,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.16 : 6,417.60 = 3,078.92 : x
  2. Step 2: Convert to fraction form
    4,648.16/6,417.60 = 3,078.92/x
  3. Step 3: Cross multiply
    4,648.16x = 6,417.60 × 3,078.92
  4. Step 4: Simplify right side
    4,648.16x = 19,759,276.99
  5. Step 5: Solve for x
    x = 19,759,276.99/4,648.16
  6. Step 6: Final answer
    x = 4,250.99

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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.