Home / 5,729.01-7,899.57-4,047.45

Finding the Fourth Proportional to 5,729.01, 7,899.57 and 4,047.45

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Solution

The fourth proportional to 5,729.01, 7,899.57 and 4,047.45 is: 5,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.01 : 7,899.57 = 4,047.45 : x
  2. Step 2: Convert to fraction form
    5,729.01/7,899.57 = 4,047.45/x
  3. Step 3: Cross multiply
    5,729.01x = 7,899.57 × 4,047.45
  4. Step 4: Simplify right side
    5,729.01x = 31,973,114.60
  5. Step 5: Solve for x
    x = 31,973,114.60/5,729.01
  6. Step 6: Final answer
    x = 5,580.91

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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.