Home / 7,101.24-10,652.36-2,421.40

Finding the Fourth Proportional to 7,101.24, 10,652.36 and 2,421.40

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Solution

The fourth proportional to 7,101.24, 10,652.36 and 2,421.40 is: 3,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.24 : 10,652.36 = 2,421.40 : x
  2. Step 2: Convert to fraction form
    7,101.24/10,652.36 = 2,421.40/x
  3. Step 3: Cross multiply
    7,101.24x = 10,652.36 × 2,421.40
  4. Step 4: Simplify right side
    7,101.24x = 25,793,624.50
  5. Step 5: Solve for x
    x = 25,793,624.50/7,101.24
  6. Step 6: Final answer
    x = 3,632.27

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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.