Home / 5,045.30-6,962.35-2,807.09

Finding the Fourth Proportional to 5,045.30, 6,962.35 and 2,807.09

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Solution

The fourth proportional to 5,045.30, 6,962.35 and 2,807.09 is: 3,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.30 : 6,962.35 = 2,807.09 : x
  2. Step 2: Convert to fraction form
    5,045.30/6,962.35 = 2,807.09/x
  3. Step 3: Cross multiply
    5,045.30x = 6,962.35 × 2,807.09
  4. Step 4: Simplify right side
    5,045.30x = 19,543,943.06
  5. Step 5: Solve for x
    x = 19,543,943.06/5,045.30
  6. Step 6: Final answer
    x = 3,873.69

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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.