Home / 7,882.31-10,877.59-4,345.75

Finding the Fourth Proportional to 7,882.31, 10,877.59 and 4,345.75

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Solution

The fourth proportional to 7,882.31, 10,877.59 and 4,345.75 is: 5,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.31 : 10,877.59 = 4,345.75 : x
  2. Step 2: Convert to fraction form
    7,882.31/10,877.59 = 4,345.75/x
  3. Step 3: Cross multiply
    7,882.31x = 10,877.59 × 4,345.75
  4. Step 4: Simplify right side
    7,882.31x = 47,271,305.77
  5. Step 5: Solve for x
    x = 47,271,305.77/7,882.31
  6. Step 6: Final answer
    x = 5,997.14

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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.