Home / 7,047.02-9,722.70-4,062.47

Finding the Fourth Proportional to 7,047.02, 9,722.70 and 4,062.47

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Solution

The fourth proportional to 7,047.02, 9,722.70 and 4,062.47 is: 5,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.02 : 9,722.70 = 4,062.47 : x
  2. Step 2: Convert to fraction form
    7,047.02/9,722.70 = 4,062.47/x
  3. Step 3: Cross multiply
    7,047.02x = 9,722.70 × 4,062.47
  4. Step 4: Simplify right side
    7,047.02x = 39,498,177.07
  5. Step 5: Solve for x
    x = 39,498,177.07/7,047.02
  6. Step 6: Final answer
    x = 5,604.95

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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.