Home / 5,895.10-8,121.03-4,123.90

Finding the Fourth Proportional to 5,895.10, 8,121.03 and 4,123.90

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Solution

The fourth proportional to 5,895.10, 8,121.03 and 4,123.90 is: 5,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.10 : 8,121.03 = 4,123.90 : x
  2. Step 2: Convert to fraction form
    5,895.10/8,121.03 = 4,123.90/x
  3. Step 3: Cross multiply
    5,895.10x = 8,121.03 × 4,123.90
  4. Step 4: Simplify right side
    5,895.10x = 33,490,315.62
  5. Step 5: Solve for x
    x = 33,490,315.62/5,895.10
  6. Step 6: Final answer
    x = 5,681.04

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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.