Home / 7,282.92-10,056.78-5,708.28

Finding the Fourth Proportional to 7,282.92, 10,056.78 and 5,708.28

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Solution

The fourth proportional to 7,282.92, 10,056.78 and 5,708.28 is: 7,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.92 : 10,056.78 = 5,708.28 : x
  2. Step 2: Convert to fraction form
    7,282.92/10,056.78 = 5,708.28/x
  3. Step 3: Cross multiply
    7,282.92x = 10,056.78 × 5,708.28
  4. Step 4: Simplify right side
    7,282.92x = 57,406,916.14
  5. Step 5: Solve for x
    x = 57,406,916.14/7,282.92
  6. Step 6: Final answer
    x = 7,882.40

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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.