Home / 6,141.76-8,475.65-3,490.05

Finding the Fourth Proportional to 6,141.76, 8,475.65 and 3,490.05

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Solution

The fourth proportional to 6,141.76, 8,475.65 and 3,490.05 is: 4,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.76 : 8,475.65 = 3,490.05 : x
  2. Step 2: Convert to fraction form
    6,141.76/8,475.65 = 3,490.05/x
  3. Step 3: Cross multiply
    6,141.76x = 8,475.65 × 3,490.05
  4. Step 4: Simplify right side
    6,141.76x = 29,580,442.28
  5. Step 5: Solve for x
    x = 29,580,442.28/6,141.76
  6. Step 6: Final answer
    x = 4,816.28

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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.