Home / 6,149.51-8,485.56-3,460.40

Finding the Fourth Proportional to 6,149.51, 8,485.56 and 3,460.40

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Solution

The fourth proportional to 6,149.51, 8,485.56 and 3,460.40 is: 4,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.51 : 8,485.56 = 3,460.40 : x
  2. Step 2: Convert to fraction form
    6,149.51/8,485.56 = 3,460.40/x
  3. Step 3: Cross multiply
    6,149.51x = 8,485.56 × 3,460.40
  4. Step 4: Simplify right side
    6,149.51x = 29,363,397.35
  5. Step 5: Solve for x
    x = 29,363,397.35/6,149.51
  6. Step 6: Final answer
    x = 4,774.92

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Half scale
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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.