Home / 7,379.52-10,179.78-4,547.51

Finding the Fourth Proportional to 7,379.52, 10,179.78 and 4,547.51

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Solution

The fourth proportional to 7,379.52, 10,179.78 and 4,547.51 is: 6,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.52 : 10,179.78 = 4,547.51 : x
  2. Step 2: Convert to fraction form
    7,379.52/10,179.78 = 4,547.51/x
  3. Step 3: Cross multiply
    7,379.52x = 10,179.78 × 4,547.51
  4. Step 4: Simplify right side
    7,379.52x = 46,292,621.57
  5. Step 5: Solve for x
    x = 46,292,621.57/7,379.52
  6. Step 6: Final answer
    x = 6,273.12

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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.