Home / 5,501.90-8,247.45-4,918.70

Finding the Fourth Proportional to 5,501.90, 8,247.45 and 4,918.70

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Solution

The fourth proportional to 5,501.90, 8,247.45 and 4,918.70 is: 7,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.90 : 8,247.45 = 4,918.70 : x
  2. Step 2: Convert to fraction form
    5,501.90/8,247.45 = 4,918.70/x
  3. Step 3: Cross multiply
    5,501.90x = 8,247.45 × 4,918.70
  4. Step 4: Simplify right side
    5,501.90x = 40,566,732.32
  5. Step 5: Solve for x
    x = 40,566,732.32/5,501.90
  6. Step 6: Final answer
    x = 7,373.22

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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.