Home / 5,306.72-7,318.23-4,045.55

Finding the Fourth Proportional to 5,306.72, 7,318.23 and 4,045.55

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Solution

The fourth proportional to 5,306.72, 7,318.23 and 4,045.55 is: 5,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.72 : 7,318.23 = 4,045.55 : x
  2. Step 2: Convert to fraction form
    5,306.72/7,318.23 = 4,045.55/x
  3. Step 3: Cross multiply
    5,306.72x = 7,318.23 × 4,045.55
  4. Step 4: Simplify right side
    5,306.72x = 29,606,228.79
  5. Step 5: Solve for x
    x = 29,606,228.79/5,306.72
  6. Step 6: Final answer
    x = 5,579.01

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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.