Home / 6,699.40-9,243.98-4,045.03

Finding the Fourth Proportional to 6,699.40, 9,243.98 and 4,045.03

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Solution

The fourth proportional to 6,699.40, 9,243.98 and 4,045.03 is: 5,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.40 : 9,243.98 = 4,045.03 : x
  2. Step 2: Convert to fraction form
    6,699.40/9,243.98 = 4,045.03/x
  3. Step 3: Cross multiply
    6,699.40x = 9,243.98 × 4,045.03
  4. Step 4: Simplify right side
    6,699.40x = 37,392,176.42
  5. Step 5: Solve for x
    x = 37,392,176.42/6,699.40
  6. Step 6: Final answer
    x = 5,581.42

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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.