Home / 7,702.20-10,628.70-4,345.08

Finding the Fourth Proportional to 7,702.20, 10,628.70 and 4,345.08

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Solution

The fourth proportional to 7,702.20, 10,628.70 and 4,345.08 is: 5,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.20 : 10,628.70 = 4,345.08 : x
  2. Step 2: Convert to fraction form
    7,702.20/10,628.70 = 4,345.08/x
  3. Step 3: Cross multiply
    7,702.20x = 10,628.70 × 4,345.08
  4. Step 4: Simplify right side
    7,702.20x = 46,182,551.80
  5. Step 5: Solve for x
    x = 46,182,551.80/7,702.20
  6. Step 6: Final answer
    x = 5,996.02

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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.