Home / 7,540.48-11,312.64-2,346.40

Finding the Fourth Proportional to 7,540.48, 11,312.64 and 2,346.40

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Solution

The fourth proportional to 7,540.48, 11,312.64 and 2,346.40 is: 3,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.48 : 11,312.64 = 2,346.40 : x
  2. Step 2: Convert to fraction form
    7,540.48/11,312.64 = 2,346.40/x
  3. Step 3: Cross multiply
    7,540.48x = 11,312.64 × 2,346.40
  4. Step 4: Simplify right side
    7,540.48x = 26,543,978.50
  5. Step 5: Solve for x
    x = 26,543,978.50/7,540.48
  6. Step 6: Final answer
    x = 3,520.20

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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.