Home / 7,359.95-10,156.77-4,002.80

Finding the Fourth Proportional to 7,359.95, 10,156.77 and 4,002.80

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Solution

The fourth proportional to 7,359.95, 10,156.77 and 4,002.80 is: 5,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.95 : 10,156.77 = 4,002.80 : x
  2. Step 2: Convert to fraction form
    7,359.95/10,156.77 = 4,002.80/x
  3. Step 3: Cross multiply
    7,359.95x = 10,156.77 × 4,002.80
  4. Step 4: Simplify right side
    7,359.95x = 40,655,478.18
  5. Step 5: Solve for x
    x = 40,655,478.18/7,359.95
  6. Step 6: Final answer
    x = 5,523.88

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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.