Home / 5,045.14-7,570.14-2,123.07

Finding the Fourth Proportional to 5,045.14, 7,570.14 and 2,123.07

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Solution

The fourth proportional to 5,045.14, 7,570.14 and 2,123.07 is: 3,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.14 : 7,570.14 = 2,123.07 : x
  2. Step 2: Convert to fraction form
    5,045.14/7,570.14 = 2,123.07/x
  3. Step 3: Cross multiply
    5,045.14x = 7,570.14 × 2,123.07
  4. Step 4: Simplify right side
    5,045.14x = 16,071,937.13
  5. Step 5: Solve for x
    x = 16,071,937.13/5,045.14
  6. Step 6: Final answer
    x = 3,185.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.