Home / 4,717.48-6,509.88-2,621.76

Finding the Fourth Proportional to 4,717.48, 6,509.88 and 2,621.76

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Solution

The fourth proportional to 4,717.48, 6,509.88 and 2,621.76 is: 3,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.48 : 6,509.88 = 2,621.76 : x
  2. Step 2: Convert to fraction form
    4,717.48/6,509.88 = 2,621.76/x
  3. Step 3: Cross multiply
    4,717.48x = 6,509.88 × 2,621.76
  4. Step 4: Simplify right side
    4,717.48x = 17,067,342.99
  5. Step 5: Solve for x
    x = 17,067,342.99/4,717.48
  6. Step 6: Final answer
    x = 3,617.89

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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.