Home / 7,290.06-10,060.77-4,146.45

Finding the Fourth Proportional to 7,290.06, 10,060.77 and 4,146.45

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Solution

The fourth proportional to 7,290.06, 10,060.77 and 4,146.45 is: 5,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.06 : 10,060.77 = 4,146.45 : x
  2. Step 2: Convert to fraction form
    7,290.06/10,060.77 = 4,146.45/x
  3. Step 3: Cross multiply
    7,290.06x = 10,060.77 × 4,146.45
  4. Step 4: Simplify right side
    7,290.06x = 41,716,479.77
  5. Step 5: Solve for x
    x = 41,716,479.77/7,290.06
  6. Step 6: Final answer
    x = 5,722.38

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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.