Home / 5,045.12-6,962.40-2,807.22

Finding the Fourth Proportional to 5,045.12, 6,962.40 and 2,807.22

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Solution

The fourth proportional to 5,045.12, 6,962.40 and 2,807.22 is: 3,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.12 : 6,962.40 = 2,807.22 : x
  2. Step 2: Convert to fraction form
    5,045.12/6,962.40 = 2,807.22/x
  3. Step 3: Cross multiply
    5,045.12x = 6,962.40 × 2,807.22
  4. Step 4: Simplify right side
    5,045.12x = 19,544,988.53
  5. Step 5: Solve for x
    x = 19,544,988.53/5,045.12
  6. Step 6: Final answer
    x = 3,874.04

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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.