Home / 6,261.95-8,641.65-3,429.48

Finding the Fourth Proportional to 6,261.95, 8,641.65 and 3,429.48

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Solution

The fourth proportional to 6,261.95, 8,641.65 and 3,429.48 is: 4,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.95 : 8,641.65 = 3,429.48 : x
  2. Step 2: Convert to fraction form
    6,261.95/8,641.65 = 3,429.48/x
  3. Step 3: Cross multiply
    6,261.95x = 8,641.65 × 3,429.48
  4. Step 4: Simplify right side
    6,261.95x = 29,636,365.84
  5. Step 5: Solve for x
    x = 29,636,365.84/6,261.95
  6. Step 6: Final answer
    x = 4,732.77

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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.