Home / 7,320.10-10,101.85-4,133.58

Finding the Fourth Proportional to 7,320.10, 10,101.85 and 4,133.58

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Solution

The fourth proportional to 7,320.10, 10,101.85 and 4,133.58 is: 5,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.10 : 10,101.85 = 4,133.58 : x
  2. Step 2: Convert to fraction form
    7,320.10/10,101.85 = 4,133.58/x
  3. Step 3: Cross multiply
    7,320.10x = 10,101.85 × 4,133.58
  4. Step 4: Simplify right side
    7,320.10x = 41,756,805.12
  5. Step 5: Solve for x
    x = 41,756,805.12/7,320.10
  6. Step 6: Final answer
    x = 5,704.40

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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.