Home / 7,028.91-9,700.70-4,045.55

Finding the Fourth Proportional to 7,028.91, 9,700.70 and 4,045.55

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Solution

The fourth proportional to 7,028.91, 9,700.70 and 4,045.55 is: 5,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.91 : 9,700.70 = 4,045.55 : x
  2. Step 2: Convert to fraction form
    7,028.91/9,700.70 = 4,045.55/x
  3. Step 3: Cross multiply
    7,028.91x = 9,700.70 × 4,045.55
  4. Step 4: Simplify right side
    7,028.91x = 39,244,598.15
  5. Step 5: Solve for x
    x = 39,244,598.15/7,028.91
  6. Step 6: Final answer
    x = 5,583.31

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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.