Home / 5,622.07-8,421.43-2,663.01

Finding the Fourth Proportional to 5,622.07, 8,421.43 and 2,663.01

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Solution

The fourth proportional to 5,622.07, 8,421.43 and 2,663.01 is: 3,988.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.07 : 8,421.43 = 2,663.01 : x
  2. Step 2: Convert to fraction form
    5,622.07/8,421.43 = 2,663.01/x
  3. Step 3: Cross multiply
    5,622.07x = 8,421.43 × 2,663.01
  4. Step 4: Simplify right side
    5,622.07x = 22,426,389.91
  5. Step 5: Solve for x
    x = 22,426,389.91/5,622.07
  6. Step 6: Final answer
    x = 3,988.99

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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.