Home / 7,290.02-10,060.14-4,146.20

Finding the Fourth Proportional to 7,290.02, 10,060.14 and 4,146.20

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Solution

The fourth proportional to 7,290.02, 10,060.14 and 4,146.20 is: 5,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.02 : 10,060.14 = 4,146.20 : x
  2. Step 2: Convert to fraction form
    7,290.02/10,060.14 = 4,146.20/x
  3. Step 3: Cross multiply
    7,290.02x = 10,060.14 × 4,146.20
  4. Step 4: Simplify right side
    7,290.02x = 41,711,352.47
  5. Step 5: Solve for x
    x = 41,711,352.47/7,290.02
  6. Step 6: Final answer
    x = 5,721.71

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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.