Home / 5,260.86-7,260.68-3,666.47

Finding the Fourth Proportional to 5,260.86, 7,260.68 and 3,666.47

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Solution

The fourth proportional to 5,260.86, 7,260.68 and 3,666.47 is: 5,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.86 : 7,260.68 = 3,666.47 : x
  2. Step 2: Convert to fraction form
    5,260.86/7,260.68 = 3,666.47/x
  3. Step 3: Cross multiply
    5,260.86x = 7,260.68 × 3,666.47
  4. Step 4: Simplify right side
    5,260.86x = 26,621,073.74
  5. Step 5: Solve for x
    x = 26,621,073.74/5,260.86
  6. Step 6: Final answer
    x = 5,060.22

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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.