Home / 4,931.32-6,805.36-2,807.14

Finding the Fourth Proportional to 4,931.32, 6,805.36 and 2,807.14

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Solution

The fourth proportional to 4,931.32, 6,805.36 and 2,807.14 is: 3,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.32 : 6,805.36 = 2,807.14 : x
  2. Step 2: Convert to fraction form
    4,931.32/6,805.36 = 2,807.14/x
  3. Step 3: Cross multiply
    4,931.32x = 6,805.36 × 2,807.14
  4. Step 4: Simplify right side
    4,931.32x = 19,103,598.27
  5. Step 5: Solve for x
    x = 19,103,598.27/4,931.32
  6. Step 6: Final answer
    x = 3,873.93

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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.