Home / 3,045.16-4,199.72-2,102.46

Finding the Fourth Proportional to 3,045.16, 4,199.72 and 2,102.46

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Solution

The fourth proportional to 3,045.16, 4,199.72 and 2,102.46 is: 2,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.16 : 4,199.72 = 2,102.46 : x
  2. Step 2: Convert to fraction form
    3,045.16/4,199.72 = 2,102.46/x
  3. Step 3: Cross multiply
    3,045.16x = 4,199.72 × 2,102.46
  4. Step 4: Simplify right side
    3,045.16x = 8,829,743.31
  5. Step 5: Solve for x
    x = 8,829,743.31/3,045.16
  6. Step 6: Final answer
    x = 2,899.60

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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.