Home / 7,520.13-10,378.14-4,333.91

Finding the Fourth Proportional to 7,520.13, 10,378.14 and 4,333.91

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Solution

The fourth proportional to 7,520.13, 10,378.14 and 4,333.91 is: 5,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.13 : 10,378.14 = 4,333.91 : x
  2. Step 2: Convert to fraction form
    7,520.13/10,378.14 = 4,333.91/x
  3. Step 3: Cross multiply
    7,520.13x = 10,378.14 × 4,333.91
  4. Step 4: Simplify right side
    7,520.13x = 44,977,856.58
  5. Step 5: Solve for x
    x = 44,977,856.58/7,520.13
  6. Step 6: Final answer
    x = 5,980.99

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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.