Home / 7,045.07-9,722.05-4,060.72

Finding the Fourth Proportional to 7,045.07, 9,722.05 and 4,060.72

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Solution

The fourth proportional to 7,045.07, 9,722.05 and 4,060.72 is: 5,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.07 : 9,722.05 = 4,060.72 : x
  2. Step 2: Convert to fraction form
    7,045.07/9,722.05 = 4,060.72/x
  3. Step 3: Cross multiply
    7,045.07x = 9,722.05 × 4,060.72
  4. Step 4: Simplify right side
    7,045.07x = 39,478,522.88
  5. Step 5: Solve for x
    x = 39,478,522.88/7,045.07
  6. Step 6: Final answer
    x = 5,603.71

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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.