Home / 7,197.55-10,780.43-4,702.32

Finding the Fourth Proportional to 7,197.55, 10,780.43 and 4,702.32

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Solution

The fourth proportional to 7,197.55, 10,780.43 and 4,702.32 is: 7,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.55 : 10,780.43 = 4,702.32 : x
  2. Step 2: Convert to fraction form
    7,197.55/10,780.43 = 4,702.32/x
  3. Step 3: Cross multiply
    7,197.55x = 10,780.43 × 4,702.32
  4. Step 4: Simplify right side
    7,197.55x = 50,693,031.60
  5. Step 5: Solve for x
    x = 50,693,031.60/7,197.55
  6. Step 6: Final answer
    x = 7,043.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.