Home / 7,345.04-10,135.09-4,200.62

Finding the Fourth Proportional to 7,345.04, 10,135.09 and 4,200.62

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Solution

The fourth proportional to 7,345.04, 10,135.09 and 4,200.62 is: 5,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.04 : 10,135.09 = 4,200.62 : x
  2. Step 2: Convert to fraction form
    7,345.04/10,135.09 = 4,200.62/x
  3. Step 3: Cross multiply
    7,345.04x = 10,135.09 × 4,200.62
  4. Step 4: Simplify right side
    7,345.04x = 42,573,687.09
  5. Step 5: Solve for x
    x = 42,573,687.09/7,345.04
  6. Step 6: Final answer
    x = 5,796.25

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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.