Home / 7,316.78-10,097.16-4,130.75

Finding the Fourth Proportional to 7,316.78, 10,097.16 and 4,130.75

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Solution

The fourth proportional to 7,316.78, 10,097.16 and 4,130.75 is: 5,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.78 : 10,097.16 = 4,130.75 : x
  2. Step 2: Convert to fraction form
    7,316.78/10,097.16 = 4,130.75/x
  3. Step 3: Cross multiply
    7,316.78x = 10,097.16 × 4,130.75
  4. Step 4: Simplify right side
    7,316.78x = 41,708,843.67
  5. Step 5: Solve for x
    x = 41,708,843.67/7,316.78
  6. Step 6: Final answer
    x = 5,700.44

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Double scale
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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.