Home / 7,764.36-10,715.13-4,621.02

Finding the Fourth Proportional to 7,764.36, 10,715.13 and 4,621.02

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Solution

The fourth proportional to 7,764.36, 10,715.13 and 4,621.02 is: 6,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.36 : 10,715.13 = 4,621.02 : x
  2. Step 2: Convert to fraction form
    7,764.36/10,715.13 = 4,621.02/x
  3. Step 3: Cross multiply
    7,764.36x = 10,715.13 × 4,621.02
  4. Step 4: Simplify right side
    7,764.36x = 49,514,830.03
  5. Step 5: Solve for x
    x = 49,514,830.03/7,764.36
  6. Step 6: Final answer
    x = 6,377.19

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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.